DuraVent 4PVP-FS PelletVent Firestop - 4" Type_Spa Deck and it's why a single

and it's why a single cartridge can carry the filtration load

and inserts

Use sanitizer as required

Comes with telescope handle

DuraVent 4PVP-FS PelletVent Firestop - 4" Type_Spa Deck and it's why a singleDuraVent 4PVP FS PelletVent Firestop 4" Overview DuraVent PelletVent Pro features twist lock construction in both 3" and 4" diameters. Listed at 1" clearance to combustibles in the USA. This PelletVent Pro can be used in both vertical and horizontal installations. Stainless Steel welded seam inner wall, combined with galvalume welded seam outer wall. Whats in the Box 1 x DuraVent 4PVP FS PelletVent Firestop 4" Specifications Material: Galvalume Fuel