Filters for #3655D (Pk/5)
Filters (non-washable) 5/Pk *Filter should be changed every 6 months or sooner if filter discolors *Replace with a new DeVilbiss filter (part #3655D-601)
Filters (non-washable) 5/Pk *Filter should be changed every 6 months or sooner if filter discolors *Replace with a new DeVilbiss filter (part #3655D-601)