These 19mm rubber top hat grommets are commonly used within hydroponics and other irrigation situations. They're often used to attach barbed connectors and fittings onto reservoirs, buckets, pots and trays.
These 19mm rubber top hat grommets are commonly used within hydroponics and other irrigation situations. They're often used to attach barbed connectors and fittings onto reservoirs, buckets, pots and trays.