Hydrofarm HGGR50 (25 Pack), 1/2 Rubber Grommet, Black

Perfect for DIY hydroponic! Very similar to the ones used in General Hydroponic water farm!

exactly as advertised

Using the to create self watering planters out of 5 gallon containers. They do the trick.

The best Grommets Ive used for a water tight seal

I need 1 rubber grommet but 1/2 OK

quality made product.

Holds seal perfectly.

great quality grommets - actually look to be better quality than pictured. just what i needed for my dwc project! great value also - these would cost me $1 a piece at the local hydro store. would recommend for any hydro build!

The inside hole (id) is 1/2 diameter...it will not fit inside of a 1/2 hole (which would be OD of 1/2) Bamboozled again!

Package the grommets were in was not sealed. Missing some