Noritz Noritz 4" Stainless Steel Wall Thimble for Regular Wall

Made of high temperature rated stainless steel, the WT4-H-8-1 4 " diameter wall thimble is easy to install and helps keep your home safe. With adjustable venting, built in termination and a superior design, the WT4-H-8-1 is also versatile, and can span length from 4.1"-7.8". As part of the N-Vent series, this product is UL approved category III venting, and is an integral part of the quick-snap connection system, known for easy installation and forming tight seals. Wall Thimble: Keep your installation up...