BDM Dalsin Line 4" x 10ft Pro-Form Aluminum Flex Extension with Ends d18.75 Selkirk 4" BW Attic Shield

Selkirk 4" BW Attic Shield

Convenience-Installs in minutes and is easy to use

Shiny and Durable

The simple 110V power adapter allows you to plug an AFVK series valve kit directly into 110V power

Multiple Control Options

BDM Dalsin Line 4" x 10ft Pro-Form Aluminum Flex Extension with Ends d18.75 Selkirk 4" BW Attic Shield"Dalsin Line Aluminum Flex Liners are used for venting category 1 heating appliances or direct vent appliances into a masonry chimney. Manufactured using Type 3003 aluminum, this heavy duty 2 ply liner is made from two strips of . 005, high grade aluminum for a total thickness of . 010" Features Liner is made from 2 ply of . 005" thick type 3003 aluminum strip Components are made from . 020 thick type 3003 aluminum Locking seam on liner is the