Home Dealnews 3M Filtrete Allergen Defense HVAC Filter 3-Pack for $16 + pickup at... Dealnews 3M Filtrete Allergen Defense HVAC Filter 3-Pack for $16 + pickup at Walmart By ARCOM - 28 July 2019 130 0 SHARE Facebook Twitter Go to the deal page: 3M Filtrete Allergen Defense HVAC Filter 3-Pack for $16 + pickup at Walmart