Seals 1/4" fitting in 7/16" hole.
Seals fittings and air lines in holes drilled through trays, buckets and reservoirs. These grommets can be used to replace old, worn top hat grommets in your hydroponic system and can be a valuable solution when building your own garden system. Top Hat grommets have a straight side wall for easy installation. When the fitting is inserted into the grommet, the wall is pushed against the whole surface to create the seal.
Item Number: 139320
Universal Product Code: 847127008119
Manufacturer: Sunlight Supply
Manufacturer's Part Number: HGC747028