Foam Nebulizer Filter, 10 Pack Gel Cushion Trilogy’s pressure- and volume-control features

Trilogy’s pressure- and volume-control features allow you to provide more types of therapy with one device

relieving the user from bearing the weight of the mask on the bridge of their nose

so you can be confident of obtaining a secure and comfortable mask fit

Headgear and Tubing: Soft

it also works great placed behind the knees and ankles

Foam Nebulizer Filter, 10 Pack Gel Cushion Trilogy’s pressure- and volume-control featuresThis is a replacement filter pack for Drive Nebulizers (Drive model series 18002, 18040, 18090, 18080, 4056). The filters should be replaced whenever they appear to be dirty to keep your nebulizer at full working capacity.