Pentek 151120 Buna-N O-ring for Standard & 3G Standard Housings

Good buy.

Looked everywhere for this o-ring for an existing water filter I have and found it here on Amazon. Priced right, arrived quickly and fit perfect.

Works great as a replacement for this part, instead of buying a whole new water filter system

I ordered four rings at the same time and each was sent out separately. I believe shipping was charged each time.The rings were shipped in a padded envelope and shipping totaled $21.95. For the four rings which totaled$ 7.72 I felt this was unnecessary and a little much. But they are here and I don't have to look for them anymore.

I guess I tightened the blue canister a little too much, and so the O-ring in it got all bent out of shape... so sensitive. Anyway, I have the standard 20-inch housing, these fit and work well... I just need to remember not to over-tighten.

Was the wrong size for my filter cartridge. I have 4 unusable O rings. I don't remember the product description having the dimension of the o ring, rather just an indication that it was for "standard housings". Any suggestions as to what I can do with these o rings?

It fits and seals the housing.What more could I ask for.Plus, it's less expensive than American Plumber's o-rings.

Always have these extra O-rings on hand if you own the Pura UV20 series of filters. Since I change my water filters once every 3 months, sometimes the O-rings stretch and become unusable. I keep about 3 or 4 of these O-rings on hand for just-in-case.