Up for sale are high-efficiency 3M Filtrete 1" air filters (16x25x1). These are top-tier MPR 2500 and 2200 ratings (Premium Allergen & Ultrafine Particles), perfect for keeping your HVAC system clean and indoor air fresh. All packs are factory-sealed in plastic. Selling below retail store prices! Pricing Breakdown 3M Filtrete MPR 2500 (4-Packs): $30.00 per pack (3 available) 3M Filtrete MPR 2200 (3-Packs): $22.50 per pack (4 available) Individual / Loose Filters (Unused): $8.00 each (2 available) Bundle Deal (Best Value!) Take the whole lot (26 filters total): $175 flat (Saves extra cash and covers all your filter replacements for years!) Details & Terms Size: 16" \times 25" \times 1" Condition: Brand new / original factory wrap. Preference: Priority given to buyers purchasing full packs or the entire