Honeywell 14900578 Model RP21 T-Series Filter Base (For Use With RP22R Supplied Air System) (10 Per Box) (1/BX)
Used in conjuction with RP22R, this base helps form the container for reusable filters for T-Series masks.
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Used in conjuction with RP22R, this base helps form the container for reusable filters for T-Series masks.