DuraVent 3PVP-24 PelletVent Pro Pipe - 3" Type_Stepper Motor Spa Sentry is designed to

Spa Sentry is designed to make that far simpler: a single treatment that holds pH steady and removes the calcium that makes water hard

Ordering this cartridge alone when the microfiber is also spent leaves you with an incomplete assembly and water that never quite clears up

the biggest being calcium phosphate scale that builds up on your equipment and surfaces

25 in (16 cm) x 1

DuraVent 3PVP-24 PelletVent Pro Pipe - 3" Type_Stepper Motor Spa Sentry is designed toDuraVent 3PVP 24 PelletVent Pro Pipe 3" 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 3PVP 24 PelletVent Pro Pipe 3" Specifications Material: Galvalume Fuel