for Hole Size 12.5mm (1Pot / 1Pot XL Module Trays)
A 6mm inside diameter Module Tray Top Hat Grommet for Grommet-Fit 1Pot and 1Pot XL module trays. Outside diameter 12.5mm.
Allows growers to use 6mm pipe and AQUAvalve3 (6mm pipe and fittings) with Grommet-Fit 1Pot and 1Pot XL module trays.
This grommet is not compatible with 9mm pipe or AQUAvalve5.
