

Express Water – Deionization Water Filter Replacement 2 Pack – DI Mixed Bed Purifier – 10 inch – Under Sink and Reverse Osmosis System
Key item features
- Comprehensive Filtration: Effectively removes a wide range of contaminants including chlorine, pesticides, iron, lead, microorganisms, arsenic, fluoride, pharmaceuticals, and industrial solvents.
- Certified Standard: Verified by independent laboratory testing to meet the NSF / ANSI 58 Standard for high-quality filtration.
- Appliance Longevity: Extends the lifespan of household appliances and improves the taste of food and drinks by providing contaminant-free water.
- Universal Fit: Features a mixed bed deionization filter with a standard 9.75 x 2.5-inch size, compatible with under-sink systems.
- Durable Construction: Made with 100% pure food-grade polypropylene casing and high-capacity mixed bed deionization material, vacuum sealed for freshness.
- Optimal Performance: Operates efficiently with water pressure between 45-80 psi and temperatures from 40-100 degrees Fahrenheit, delivering up to 1 gallon per minute.
- Extended Lifespan: Each filter is designed to last up to 6 months, depending on water quality, temperature, and incoming pressure.
Specs
- BrandExpress Water
- Rec. useResidential
- ModelFLTDI102J
- Free shipping
Free 30-day returns
How do you want your item?
About this item
Product details
The Deionization filter is good for up to 6 months. This is based on average water quality. Your filter life may be different depending on your water quality, temperature, and incoming pressure.
This durable filter is able to deliver up to 1 gallon of water per minute. The filter works with 45-80 psi and water temperatures between 40-100℉. The filter is vacuum sealed with 100% pure food-grade polypropylene casing complete with high capacity mixed bed deionization material.
Filter your water with a high quality deionization filter, choose the filter that lasts longer to give you the best value in filtration: The Express Water Deionization Filter 2 Pack FLTDI02J is the best in deionization filtration.
- Demineralization by ionization. Di resin bead filtration
- Removes hard water minerals via ion exchange process
- Reduces total dissolved solids (tds)
- Fits almost all standard reverse osmosis systems
- 2.5" x 10" inline filter. ¼ inch female connection
-
- Protect your Water - Removes Chlorine, Pesticides, Iron, Lead, Microorganisms, Arsenic, Fungi, Bacteria, Chromium, Fluoride, Pharmaceuticals, Calcium, Synthetic Chemicals, Bad Taste, Odor, Fine Sediments, and Industrial Solvents
- High Standard Filtration - Verified by independent laboratory testing to meet NSF / ANSI 58 Standard
- A better home - Extend the life of your appliances and start making better tasting food and drinks free of contaminants.
- Universal Standard Size - Mixed Bed Deionization Filter, 9.75” x 2.5” size fits under sink systems
- Made to Last - Airtight vacuum sealed packaging prevents spoiling of your filter
Specifications
Brand
Rec. use
Model
Warranty
Warranty information
Warranty url
Similar items you might like
Based on what customers bought
GLACIER FRESH Water Filter Faucet Replacement, Replacement for Brita Faucet Filter, Brita 36311 On Tap Water Filter, Compatible with Brita FR-200, FF-100, and All Brita Tap Water Filters (Pack of 3) $21.99 Was $36.99
SponsoredNow$2199current price Now $21.99, Was $36.99$36.99You save $15.00You save$15.00GLACIER FRESH Water Filter Faucet Replacement, Replacement for Brita Faucet Filter, Brita 36311 On Tap Water Filter, Compatible with Brita FR-200, FF-100, and All Brita Tap Water Filters (Pack of 3)
694.7 out of 5 Stars. 69 reviewsSave withShipping, arrives tomorrow50+ bought since yesterday Culligan with ZeroWater Technology Filter Replacement, 5-Stage Advanced Water Filter – 4 Count $47.99 Was $59.96 $12.00/ea
50+ bought since yesterday
SponsoredNow$4799current price Now $47.99, Was $59.96$59.96$12.00/eaYou save $11.97You save$11.97Culligan with ZeroWater Technology Filter Replacement, 5-Stage Advanced Water Filter – 4 Count
2804.4 out of 5 Stars. 280 reviewsSave withDelivery as soon as 8amShipping, arrives todayPickup as soon as 7am100+ bought since yesterday ZeroWater 5-stage water filter replacement - 2 pack $33.14 Was $39.00 $16.57/count
100+ bought since yesterday
$3314current price $33.14, Was $39.00$39.00$16.57/countZeroWater 5-stage water filter replacement - 2 pack
57294.4 out of 5 Stars. 5729 reviewsExpress Water – Alkaline Filter 2 Pack – Mineral, Antioxidant, pH Water Filter Replacement – 10 inch Inline Quick Connect Filter – Under Sink and Reverse Osmosis System $74.99
$7499current price $74.99Express Water – Alkaline Filter 2 Pack – Mineral, Antioxidant, pH Water Filter Replacement – 10 inch Inline Quick Connect Filter – Under Sink and Reverse Osmosis System
154.7 out of 5 Stars. 15 reviews6 Month Replacement Water Filters for Reverse Osmosis (RO) Systems $19.18
$1918current price $19.186 Month Replacement Water Filters for Reverse Osmosis (RO) Systems
AquaTru Carafe AT100 Replacement Stage 3 Reverse Osmosis Water Filter, 10x3x10 in., 1-Pack $59.95
$5995current price $59.95AquaTru Carafe AT100 Replacement Stage 3 Reverse Osmosis Water Filter, 10x3x10 in., 1-Pack
2584.6 out of 5 Stars. 258 reviews50+ bought since yesterday ZeroWater 5-stage water filter replacement - 6 pack $57.59 Was $91.99 $9.60/ea
50+ bought since yesterday
SponsoredNow$5759current price Now $57.59, Was $91.99$91.99$9.60/eaYou save $34.40You save$34.40ZeroWater 5-stage water filter replacement - 6 pack
44404.4 out of 5 Stars. 4440 reviewsSave withShipping, arrives tomorrowHydronix RO-132-B14 Stainless Steel 4.5 Gallon Reverse Osmosis Storage Water Tank - Blue, 1/4" Port $69.49
Sponsored$6949current price $69.49Hydronix RO-132-B14 Stainless Steel 4.5 Gallon Reverse Osmosis Storage Water Tank - Blue, 1/4" Port
23 out of 5 Stars. 2 reviewsShipping, arrives in 3+ daysBest seller Brita Refillable Water Filtration Filter Refills, 2 Month Filter Life, Compatible with Brita Refillable Filter Pitchers, 3 Pack $20.98 $6.99/count
Best seller
$2098current price $20.98$6.99/countBrita Refillable Water Filtration Filter Refills, 2 Month Filter Life, Compatible with Brita Refillable Filter Pitchers, 3 Pack
3424.7 out of 5 Stars. 342 reviewsPH001 Alkaline Water Filter $54.99
5 optionsAvailable in additional 5 options$5499current price $54.99PH001 Alkaline Water Filter
2044.6 out of 5 Stars. 204 reviewsAquaTru Classic Countertop Water Filter System Replacement Stage 3 Reverse Osmosis Filter, 3x3x10 in., 1-Pack $59.95
$5995current price $59.95AquaTru Classic Countertop Water Filter System Replacement Stage 3 Reverse Osmosis Filter, 3x3x10 in., 1-Pack
774.7 out of 5 Stars. 77 reviewsExpress Water – Alkaline Filter – Mineral, Antioxidant, pH Water Filter Replacement – 10 inch Inline Quick Connect Filter – Under Sink and Reverse Osmosis System $39.99
$3999current price $39.99Express Water – Alkaline Filter – Mineral, Antioxidant, pH Water Filter Replacement – 10 inch Inline Quick Connect Filter – Under Sink and Reverse Osmosis System
144.9 out of 5 Stars. 14 reviewsReverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 50 GPD Membrane $35.99
Sponsored$3599current price $35.99Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 50 GPD Membrane
103.7 out of 5 Stars. 10 reviewsShipping, arrives in 3+ daysAC-30 AC-15 RO 3 Filter Replacement Set for Reverse Osmosis Drinking Water System $23.75
Sponsored$2375current price $23.75AC-30 AC-15 RO 3 Filter Replacement Set for Reverse Osmosis Drinking Water System
23 out of 5 Stars. 2 reviewsShipping, arrives in 3+ daysBest seller ZeroWater 5-stage water filter replacement - 4 pack $47.99 Was $59.98 $12.00/count
Best seller
$4799current price $47.99, Was $59.98$59.98$12.00/countZeroWater 5-stage water filter replacement - 4 pack
47354.4 out of 5 Stars. 4735 reviewsSimPure 6-Month Set Water Filter Replacement Cartridge for T1-400 Tankless Alkaline Reverse Osmosis System $59.99
2 optionsAvailable in additional 2 options$5999current price $59.99SimPure 6-Month Set Water Filter Replacement Cartridge for T1-400 Tankless Alkaline Reverse Osmosis System
11 out of 5 Stars. 1 reviewsCulligan AC-30 Reverse Osmosis System Compatible Replacement Cartridge & Membrane 4 Set $43.49
$4349current price $43.49Culligan AC-30 Reverse Osmosis System Compatible Replacement Cartridge & Membrane 4 Set
34 out of 5 Stars. 3 reviewsCulligan AC-30 AC 30 RO Filter Set Membrane Reverse Osmosis System with 3/8 Inline $37.98
$3798current price $37.98Culligan AC-30 AC 30 RO Filter Set Membrane Reverse Osmosis System with 3/8 Inline
223.9 out of 5 Stars. 22 reviewsReverse Osmosis Replacement Filter Set RO Cartridges 4 stage w/ 50 GPD Membrane $37.00
Sponsored$3700current price $37.00Reverse Osmosis Replacement Filter Set RO Cartridges 4 stage w/ 50 GPD Membrane
34.7 out of 5 Stars. 3 reviewsShipping, arrives in 3+ daysHydronix RO Reverse Osmosis Replacement Pre Filters High Quality Universal Fit, 1 Sediment & 2 Carbon - 3 Pack $30.25
Sponsored$3025current price $30.25Hydronix RO Reverse Osmosis Replacement Pre Filters High Quality Universal Fit, 1 Sediment & 2 Carbon - 3 Pack
44 out of 5 Stars. 4 reviewsShipping available
Check out these related products
Express Water Deionization Water Filter Replacement DI Water Purifier 10 inch Under Sink and Reverse Osmosis System $40.99
$4099current price $40.99Express Water Deionization Water Filter Replacement DI Water Purifier 10 inch Under Sink and Reverse Osmosis System
134.8 out of 5 Stars. 13 reviewsExpress Water – 4 Pack Post Activated Carbon PAC Water Filter Replacement – 5 Micron Inline Filter – 10 inch Quick Connect – Under Sink and Reverse Osmosis System $34.99
$3499current price $34.99Express Water – 4 Pack Post Activated Carbon PAC Water Filter Replacement – 5 Micron Inline Filter – 10 inch Quick Connect – Under Sink and Reverse Osmosis System
174.9 out of 5 Stars. 17 reviewsExpress Water – Granular Activated Carbon GAC Water Filter Replacement – 5 Micron – 10 inch – Under Sink and Reverse Osmosis System $28.99
4 optionsAvailable in additional 4 options$2899current price $28.99Express Water – Granular Activated Carbon GAC Water Filter Replacement – 5 Micron – 10 inch – Under Sink and Reverse Osmosis System
85 out of 5 Stars. 8 reviewsExpress Water – Granular Activated Carbon Replacement Filter – GAC Large Capacity Water Filter – Whole House Filtration – 5 Micron – 4.5” x 20” inch $49.99
$4999current price $49.99Express Water – Granular Activated Carbon Replacement Filter – GAC Large Capacity Water Filter – Whole House Filtration – 5 Micron – 4.5” x 20” inch
164.7 out of 5 Stars. 16 reviewsExpress Water – Polyphosphate Replacement Filter – PHO Large Capacity Water Conditioner Cartridge – Whole House Anti Scale Filtration – 4.5” x 20” inch $76.99
$7699current price $76.99Express Water – Polyphosphate Replacement Filter – PHO Large Capacity Water Conditioner Cartridge – Whole House Anti Scale Filtration – 4.5” x 20” inch
224.6 out of 5 Stars. 22 reviewsHydronix SDC-25-1001 DI, RO Reverse Osmosis, Whole House Sediment Water Filter 2.5" X 10" - 1 Micron, 20 Pack $55.99
$5599current price $55.99Hydronix SDC-25-1001 DI, RO Reverse Osmosis, Whole House Sediment Water Filter 2.5" X 10" - 1 Micron, 20 Pack
Express Water – Activated Carbon Block Replacement Filter – ACB Large Capacity Water Filter – Whole House Filtration – 5 Micron – 4.5” x 20” inch $39.99
2 optionsAvailable in additional 2 options$3999current price $39.99Express Water – Activated Carbon Block Replacement Filter – ACB Large Capacity Water Filter – Whole House Filtration – 5 Micron – 4.5” x 20” inch
834.7 out of 5 Stars. 83 reviewsExpress Water – Kinetic Degradation Fluxion Replacement Filter – Whole House Heavy Metal Replacement Water Filter – KDF Catalytic Carbon High Capacity Water Filter &n $99.99
$9999current price $99.99Express Water – Kinetic Degradation Fluxion Replacement Filter – Whole House Heavy Metal Replacement Water Filter – KDF Catalytic Carbon High Capacity Water Filter &n
214.5 out of 5 Stars. 21 reviewsExpress Water Whole House Big Blue Carbon Block CTO Filter 5 Micron Coconut Shell Carbon 4.5" x 10" $38.99
4 optionsAvailable in additional 4 options$3899current price $38.99Express Water Whole House Big Blue Carbon Block CTO Filter 5 Micron Coconut Shell Carbon 4.5" x 10"
494.7 out of 5 Stars. 49 reviewsExpress Water – Whole House Anti Scale Filter Set – 3 Stage Filtration Water Conditioner Replacement Kit – Sediment, Carbon Block, Polyphosphate High Capacity Cartridge – 5 Micron – 4.5” x 20” inch $153.99
$15399current price $153.99Express Water – Whole House Anti Scale Filter Set – 3 Stage Filtration Water Conditioner Replacement Kit – Sediment, Carbon Block, Polyphosphate High Capacity Cartridge – 5 Micron – 4.5” x 20” inch
884.6 out of 5 Stars. 88 reviewsGeekpure 10-Inch Carbon Block Replacement Filter for Whole House Water Filtration-4.5" x 10"-5 Micron $25.99 Was $29.99
3 optionsAvailable in additional 3 options$2599current price $25.99, Was $29.99$29.99Geekpure 10-Inch Carbon Block Replacement Filter for Whole House Water Filtration-4.5" x 10"-5 Micron
1344.7 out of 5 Stars. 134 reviews
Customer ratings & reviews
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Showing 1-3 of 8 reviews
DI Filter
I bought these DI filters to tame TDS bleed through on a tankless reverse osmosis system. The TDS bleed through was as much as 35 and as low as 8 in fluctuation which is still very good RO water but wanted to see if adding a DI filter would stabilize the TDS and it did. The TDS fluctuation now is high of 6 and as low as 1 within a second of turning it on. I wanted to eliminate the bulky holding tank on a traditional RO but with the same or better TDS and this DI filter did what I was holping it would do.
School Aquarium
I bought an Express Water RO DI system months ago to set up an aquarium for my class. I'm a middle school Biology teacher and I somehow convinced the board to fund buying a system and buying replacement filters a few times a year! It's been 6 months since installing the system for the aquarium and it's been working perfectly. The aquarium is a pretty big hit with the kids, but a pain to keep clean (though that's a bit off-topic here). I just wanted to thank Express Water for keeping the prices on the reasonable side. It's not easy to get funding for anything extra in education. But anything to make kids more excited to learn is absolutely worth it.
Replacement filters work very well.
I'm happy with my purchase! The system and filters from express water are every bit as good as those from a big box store and they make reordering easy.
