Hydrofarm 3/4" Rubber Grommet, pack of 25
Hydrofarm 3/4" Rubber Grommet, pack of 25 at HorticultureSource.com -
Hydrofarm Hydrofarm 3/4" Rubber Grommet (HGGR75) Rubber grommet will provide a watertight seal in DIY systems. For use with 3/4" connectors.  Manufacturer's Product Information MSRP each $ 0.64 UPC 638104010436 Dimensions 3.75 x 1 x 10.75 Case Weight 1 Case Quantity 25