They also clean allergens

900HC008 Tube

Activated charcoal layer binds toxins and odor-causing molecules

and tissue layers

second layer etc

ROHO Standard Series Heavy Duty Cushion Cover, 10 x 10 Cell, High Profile Arch Supports They also clean allergensROHO Standard Series Heavy Duty Cushion Cover, 10 x 10 Cell, High Profile, 19. 50" width 18. 50" depth 4. 25" height. Features include a two way stretch, fluid resistant, polyurethane coated polyester top and sides with a zipper, and a non skid bottom with hook and loop fasteners to help secure the cushion in the chair. The ROHO Standard Series Heavy Duty Cushion Cover can be used with ROHO Single Compartment, ROHO Dual Compartment, ROHO ENHANCER and