Add to cart Vacumaid HEPA Bags Package of 3 – #HPB2HPK $29.95 Five layer, 7 Gallon HEPA style replacement bag for VacuMaid models:SR52, SR52H, SR760, SR800, all VacuMaid Garage Vacs and Valet ATQ300. This paper bag filter is an alternate bag for the AstroVac models: SR36C, SR36, SR50, SR52. Replacement for the following models: H-1P, P70, SR36, SR38, P80, H2, P73, P75, MK-IP, MK-XXIIIBP. Replace at no more than ½ full or when lack of suction is noticed. Can also be used in DC500 and DC800 dirt canister. When flat, bag measures 27″ x 12″.