1/2" Grommet, pack of 500

1/2" Grommet, pack of 500

Pack of 500 1/2" rubber grommets ideal for General Hydroponic's WaterFarm, 8-Pack and drain level tubes. Provides a watertight seal.

Write a review

Please login or register to review
  • $253.00
Two and 3/8 inch wide galvanized steel clamps are used with fans, silencers, reflectors, carbon filt..
$6.59
PH UP When Your pH Is Too Low, You Need pH-Up -- The Highest Concentration in Hydroponics! If yo..
$74.80
Condensate pump kit for the Quest Dual 105, Dual 155, Dual 205 and Dual 225 models only. Kit include..
$0.00
This Flo-n-Gro® system comes complete with a 55 gallon food grade reservoir, twelve (12) 4 gallon gr..
$639.95
CO2 is scientifically proven to improve the performance of plants! The Ares® Series CO2 generators p..
$594.95
Mini-Blocks sit in a tray (flat) without support for easy starting of seeds and cuttings. These Mini..
$408.19
This 3-stage reverse osmosis unit is ideal for fresh water applications, drinking and more. Comes wi..
$184.95
Our e-series ballasts no longer require a switchboard to be switched on and off and no longer need t..
$279.00
Active Air Inline Duct Fans offer innovation and performance at a great price. With a full line of f..
$129.95 $97.46
Active Air Inline Duct Fans offer innovation and performance at a great price. With a full line of f..
$169.95 $127.46
AzaMax is a natural product with a broad spectrum of pest control. It contains Azadirachtin A & ..
$29.58 $22.18
AzaMax is a natural product with a broad spectrum of pest control. It contains Azadirachtin A & ..
$69.98 $52.48
AzaMax is a natural product with a broad spectrum of pest control. It contains Azadirachtin A & ..
$118.95 $89.21
Boveda’s patented 62% humidity control packs regulate moisture content, keeping the contents of your..
$1.25
These are standard 1020 trays with the exception that they are four times the thickness of tradition..
$4.99
BIG BUD® ORGANIC Finally! The Same Big Bud Bloom Booster You Know And Love, Now 100% Organic*! *B..
$16.80
Neptune's Harvest is an organic fertilizer made from fresh North Atlantic fish. It is made by a uniq..
$36.99