Chemco 20"x20"x2" 22 Gram/T-22YX Fiberglass Paint Spray Booth Exhaust Filter Pads 100/CaseRequired minimum quantity: 4 cases Maximum quantity: 28 cases The 22 Gram T 22YX fiberglass exhaust filter features 50% more surface area than standard paint arrestors for paint booth operations that require added efficiency and longevity. T 22YX has an efficiency rating of 99. 03%. The progressively dense heavy duty two stage 22g media is 50% heavier than the 15g counterpart thus providing additional service life and removal efficiency. As with the