Grommets are an important component in any hydroponic system. use these grommets when building a new system or to replace old, cracking grommets on an existing system.

Top hat grommets are used in conjunction with take-off fittings, tubing and barbed irrigation fittings. They provide a seal around the fitting through a wall in a plastic containter, usually to provide a small diameter poly pipe branch from a large supply pipe.

The grommets fit inside a hole drilled in the supply pipe, or a reservoir container of water or nutrient for a garden or series of pots

Available in 13mm, 19mm and 25mm.