Gator Grit 100 Grit 4-3/8 In. x 11 In. Precut Drywall Sanding Screen (25-Pack) Axes Reduces radon gas penetration through

Reduces radon gas penetration through concrete block walls

3 month filter is 90% effective at capturing large allergens like mold spores & pet dander

Fits most Shop-Vac wet/dry vacs except 1X1

Regular Mouth

It expands and contracts with the roof's movement to resist damage

Gator Grit 100 Grit 4-3/8 In. x 11 In. Precut Drywall Sanding Screen (25-Pack) Axes Reduces radon gas penetration throughOpen mesh waterproof silicon carbide for sanding and finishing of drywall joint compound. Non clogging abrasive screen has grit on both sides for longer life. Can be used on wood, metal, plastic, and auto body filler. 4 3 8' x 11' sheets. 25 sheets per box.