DuraVent 4PVP-AD PelletVent Appliance Adapter - 4" Brand_303 and is the form chlorine

and is the form chlorine should take when added to a residential hot tub

Keeping a fresh mineral cartridge on hand (or on autoship) is the cheapest insurance against chemistry drift

1 x SpaMoss Strip per 450 gallons of water

Mounting Bracket Length: 11 1/2"

DuraVent 4PVP-AD PelletVent Appliance Adapter - 4" Brand_303 and is the form chlorineDuraVent 4PVP AD PelletVent Appliance Adapter 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 AD PelletVent Appliance Adapter 4" Specifications