SimPure 5-Stage Reverse Osmosis Replacement Filter Set with 100 GPD RO Membrane, 5pc Pre & Post Replacement Cartridge Pack Kit for Standard 5-Stage Reverse Osmosis RO Systems

RO system was straightforward to install and easily fit in the designated space under the sink. Need to ensure that each of the hoses are pushed into the designated color fitting all the way so they get a good seal.

One of the canisters had a deep scratch right where it meets the gasket—a factory defect. I tightened it a bit more, and everything was fine. The flush valve was missing its retaining clips; it would have been good if they'd included a couple of spares in case you lost one during installation... There was plenty of tubing length—more than enough. The water storage tank is made entirely of plastic (both the inner and outer parts). The drain tube clamp was a bit wide and barely fit under the nut on the sink trap. Overall, I'm satisfied; the water is better than what you buy in the store. I installed it myself; the hardest part turned out to be drilling the hole for the faucet in the stainless steel sink. The cup wrench is a bit too big; it keeps slipping off.