72Pcs Top Hat Silicone Rubber Grommets for Wiring, Waterproof Wire Cable Grommets Firewall Silicone Plug Rubber Hole Grommet for Automotive, Desk, Water Pipe, Hydroponic, Irrigation$$Hardware

SPECIFICATION: 8pcs 1/8 in ID, 3/16 in DH; 8pcs 3/16 in ID, 1/5 in DH; 8pcs 3/16 in ID, 1/4 in DH; 8pcs 3/16 in ID, 5/16 in DH; 8pcs 1/5 in ID, 5/16 in DH; 8pcs 5/16 in ID, 1/2 in DH; 8pcs 3/8 in ID, 11/16 in DH; 8pcs 7/16 in ID, 3/5 in DH; 8pcs 3/5 in ID, 3/4 in DH, 72pcs in total, different sizes can meet your different needs. QUALITY MATERIAL: Our top hat grommets are made of rubber material, waterproof, wear resistant, high and low temperature resistant, corrosion resistant, wear resistant, with excellent flexibility and strong insulation, provide a air/water tight seal for tubing and aircraft. FUNCTION: The silicone wire grommets can be used to old or worn grommets in hydroponic systems and create watertight seals for the plumbing of hydroponic systems, which can allow for all your hydroponic and irrigation needs and hold your irrigation line in place. EASY INSTALLATION: The tophat rubber grommets are flexible, making it easy to snap the rubber grommet directly into the drill hole, protect the wires and cables from scratches and abrasion. The top hat grommets have a straight side wall for easy installation, provide sealing protection for hydroponic drip irrigation systems. WIDE APPLICATION: rubber grommets are suitable for hydroponic drip irrigation systems, wire protection and sealing of various pipes such as firewall, office desk and water pipe connection. Widely used in automotive, firewall, metal panels, electrical appliance, spray, cylinder, valve and so on.