Amazon has K&N 12x24x1 HVAC Furnace Air Filter on sale for $41.69 when you “clip” Coupon
Shipping is free w/Prime
SAVE MONEY: Save $30 anually compared to disposable filters
GERM-BLOCKING PROTECTION: Helps protect against bacteria, viruses, and allergens
INCREASE HVAC EFFICIENCY: Excellent airflow to help maintain HVAC system efficiency
WASHABLE AND REUSABLE: Washable for long-term home air filter savings
GUARNATEED QUALITY: Premium design and construction for excellent air filtration
