Replacement Philips Respironics DreamStation Ultra-Fine Pollen Filters. Same quality/lower cost replacement filters. This is only for Philips Respironics Dreamstation.

• Same as OEM Part# 1122446, 2 1/4" x 7/8" x 5/8"
• Same as OEM Part# 1122518, 2 1/4" x 1"
• This filter only fits the Philips Respironics DreamStation Series CPAP and BiPAP machines
• Replacement Philips Respironics DreamStation Ultra-Fine Pollen Filters

Same as OEM Part# 1122446, 2 1/4" x 7/8" x 5/8"Roscoe