Material: Typically made from a durable, flexible rubber or PVC (Polyvinyl Chloride) to ensure a watertight seal. The material is often UV-protected and resistant to agricultural chemicals for long life in outdoor environments.
Color: Black.
Type: Open grommet, designed for inserting a take-off connector or other fitting.
Size/Compatibility: Common sizes are designed to fit into a 32mm hole drilled into the main, larger pipe.
Inner Diameter: When used with a 32mm grommet, the inner diameter can be more than 20mm to accommodate smaller take-off fittings.