Material, 5 Layers of Fabric, High Filtration, Longer Lasting, Rubber Membrane.

Suitable for most Central Ducted Vacuum Systems Models:

Astrovac - Most Ducted Models.
Aussievac - Most Ducted Models.
Central Vacuum System - Most Ducted Models.
Cleanstar - Tornado (VTOR), Typhoon (VTYPH), SD30.
Flo-Master - Central Vacuum, M80, M32, M85, C650, M92.
LUX - CD110, CV731, CV733, CV791, CV792, CV793.
Premier Clean - Monarch Range, 250, 490, 550, 650, 850.
Pullman - Ducted 1500/ 3000 / 4000, Ducted CV301, AFUERA CV302.
Starmix - ISP ARD-1435