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

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

Durable Construction: Crafted from heavy-duty cast aluminum

ensuring a hassle-free installation process

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.