5Xn70340
(5 pack) Water Filter Rubber O-Ring 3 3/8" x 3 3/4" x 3/16" O-rings
A nice touch is Innovative Composite Technologies, which keeps the edges from fraying after cutting.
(5 pack) Water Filter Rubber O-Ring 3 3/8" x 3 3/4" x 3/16" O'ring
What I like about POLYMER WORLD is the easy ordering process on their site.