Grate Extender for Deck Drains Thread Size:3.5" Threads Seamless Basin

Seamless Basin

Simple Retrofit Design: The insert design slides easily into your existing drain pipe for a hassle-free installation

TPO Clad Stainless Steel Drain

and efficient water removal for your parapet wall

Heavy Duty ABS Cyclolac Dome Strainer: The included heavy-duty ABS Cyclolac dome strainer effectively filters out leaves

Grate Extender for Deck Drains Thread Size:3.5" Threads Seamless BasinExtends thread pattern grates an additonal 2". These grate extenders can be threaded into each other to reach any desired height. Two sizes to choose from 2" thread pattern for our: 4" & 5" Round Grates, and 5"x5" grates 3. 5" thread patter for our: 6" Round, and 6"x6" grates.