Grommet Top Hat 4MM Hydroponic Plumbing Fittings

4mm Top Hat Grommet.

Use to install airline or feeder line for airtight and watertight seal on plastic pots/tanks/reservoirs on hydroponic system.

Drill 10mm dia. hole and install grommet.

Push airline/feeder line through grommet to create watertight seal.

(4GTH)

Help other Simply Hydroponics users shop smarter by writing reviews for products you have purchased.

$1.50

$19.95

$2.50

$5.00

$2.50

From $13.95

$55.00

$2.00

Grommet Top Hat 4MM | Hydroponic Plumbing Fittings