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Your cart is empty.These grommets can be used to replace old, worn top hat grommets in your hydroponic system and can be a valuable solution when building your own garden system. Top Hat grommets have a straight side wall for easy installation. When the fitting is inserted into the grommet, the wall is pushed against the whole surface to create the seal.
Paul Schot
Reviewed in the United States on July 23, 2021
Some of my old ones were starting to break down and these were the perfect replacement
Eric C.
Reviewed in the United States on January 10, 2020
Works perfect. It's not rocket science, it's a grommet. But it'd been working and maintaining a water tight seal from heavy use for months
jeff
Reviewed in the United States on November 15, 2018
I used these with 6mm OD line for a gutter grow system. They worked great and no leaks. I did not have a 9mm drill bit to drill the holes in the 1 1/4 inch schedule 40 pvc supply line but used a conversion chart I found on line for a nearly equivalent English size and it's up and running. Very happy so far.
THC-ThatHighCandian
Reviewed in Canada on October 31, 2018
For some reason all hydro flow parts are much smaller than your Normal 1/2inch by( life guard or active aqua or even just vs a normal grommet half inch) these are 2 small for a real 1/2 hole make 3/4th holes ignore your going to use these for levellers or DIY hydro if you need real top hat 1/2 inch then I know a brand just comment asking and I’ll let you know as I make my own kits with them and don’t want to give away my secrets for free lol but I will to those brave enough to DIY ! Enjoy have fun it’s a hobby not a job ! Just relax and water once every 2-3 days till run off and just daily for @medial tomaotes and evrry one calls them lol@!
Brad
Reviewed in the United States on September 2, 2017
works as expected - great purchase!
George Serena
Reviewed in the United States on November 17, 2017
works well at keeping out light. Need to drill a slightly bigger hole to fit it but the tubing slide through ok. I will purchase more when I need them.
Jeffrey WXXX
Reviewed in the United States on September 11, 2016
good stuff, no leaks that I can see used in both galvanized cans and plastic.
ricco
Reviewed in the United States on May 24, 2016
Overpriced. This price should be for 100 pieces.
A. Hammond
Reviewed in the United States on December 27, 2016
This price is a joke, should include at LEAST 20 for this price. But really 50 would seem reasonable.
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