Home Dealnews 3M Filtrete Allergen Defense HVAC Filter 3-Pack: 2 for $22 after rebate... Dealnews 3M Filtrete Allergen Defense HVAC Filter 3-Pack: 2 for $22 after rebate + pickup at Walmart By ARCOM - 13 November 2019 123 0 SHARE Facebook Twitter Go to the deal page: 3M Filtrete Allergen Defense HVAC Filter 3-Pack: 2 for $22 after rebate + pickup at Walmart