GLB Stain Magnet Best Selling Fireplaces & Stoves Its closed top and 2-inch

Its closed top and 2-inch twist-lock bottom secure it with a quarter-turn rather than a thread or a friction fit

and can add between 3 and 6 inches to the end of a 4 inch diameter vent pipe

along with the Callaway 50

The Unicel C-8465 delivers 65 square feet of filtration across 234 uniform pleats

GLB Stain Magnet Best Selling Fireplaces & Stoves Its closed top and 2-inchGLB Stain Magnet Overview GLB Stain Magnet is a stain remover for use in all types of pools including gunite, plaster, concrete, vinyl, and fiberglass. This easy to apply granular product allows you to remove metallic stains without the inconvenience of draining pool water. It can be applied directly on stubborn stains with no pre testing necessary. Stain Magnet is compatible with chlorine, bromine, ozone, biguanide, and salt water sanitizing systems.