JONES STEPHENS has built its reputation over the years as a leader in the plumbing industry, providing the market with thousands of products to complete any project. If you need it, we got it. The Round Snap-In Strainer is 4-1/4 in. in diameter. It's for use in no caulk fiberglass shower stall drains and 2 in. x 3 in. shower/floor drains. Available in a variety of decorative finishes.