General Hydroponics Grommet 1/2"

In-Store Price: $0.75 Online Only: $0.50
(You save $0.25 )
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This is the same 1/2" Grommet found in the GH WaterFarm system and Plumbing Kit, made available separately for your do-it-yourself customers. When used correctly, each rubber grommet (in conjunction with 1/2" tubing running through the center) forms a water-tight seal.