9-17816 Red Stripe Vacuum Cartridge Filter 8.5 H x 6.5 W inch,
9-17816 Filter is, ,, , . Detachable top plastic cap to ensure fit for most 5, 6, 9, 12, and 16 gallon and larger vacuums made after 1988, Works with many Vacuums as well. Replace every 3 months for optimal performance.