The Sidestream mask is recommended for use with a Philips Respironics Sidestream high-efficiency nebulizers. This reusable mask is contoured to comfortably fit the face, and the adjustable elastic strap provides a snug fit. Mask must only be hand washed.

Adult Mask is recommended for ages 6 and up. 

Pediatric Mask is recommended for ages 5 and under. 

What's in the box: mask, elastic strap 

COMPATIBILITY: This face mask is compatible with all standard nebulizer compressor systems including those from Philips Respironics, AirLife, Devilbiss Healthcare, and others. It is NOT compatible with the connectors found on Pari Medical nebulizers.