Check the listing for details. Extend-O-Drain 4-3/8" Shower Drain Height Extension Kit. Condition: New. Listed at 14.99 USD. Extend-O-Drain 4-3/8" Shower Drain Height Extension Kit Give your tile floor a finished look by raising low drain screens with the Extend-O-Drain drain extension kit. Each Extend-O-Drain Kit includes a 1/4" thick plastic drain height extension piece, three rubber washers and screws. Additional kits can be used for drain screens that need to be raised more than 1/4". Kit has holes to allow use with drain screens having holes 4-3/8" on center. The correct Kit Size corresponds to the distance between screw placements of the existing drain. To find the correct kit for you, measure the diameter of the drain from one screw hole to the other. Product Details BrandExtendo-O-DrainProduct TypeBathroom Sink And Tub Drain StrainersMpnDoesNotApply Give your tile floor a finished look by raising low drain screensScrew Holes -center to center 4-3/8"Outside diameter: 4-3/4"Inside diameter: 4-1/4"Inside diameter: 4-1/4" Check out my other items. - Powered by