https://amzn.to/3XLjwmL 6-Pack Frigidaire PureAir MERV 8 Allergen Electrostatic Pleated Air Conditioner HVAC AC Furnace Air Filters (Select Sizes) on sale for $49.99 - 30% when you 'clip' the coupon on the product page - 5% when you checkout via Subscribe & Save = $32.49. Shipping is free.