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

Suitable For:

Cleanstar - AeroLite Backpack, VBP1400, VBP1400-B, VBP1400-P, VBP1400-R, VBP1400-PK, AeroLite Eco, VBP-Eco.
Industrial Strength - BP1 Backpack.
IVAC - Backpack.
Pullman - JYBP Backpack, Workhero BP1.