Home / Products tagged “TheSafetyHouse” TheSafetyHouse Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Sale! TheSafetyHouse Wooden HEPA Filter (24″ x 24″ x 11.5″) $233.38 $209.00 Abatement Technologies H2KM Negative Air Machine – 2000 cfm $899.00