Description
The Pre-Filter is a lower efficiency (90% arrestance, EU 4) particle filter that is used to protect the primary filter from large particles, extending the life of the primary filter. Comes in packages of 5. Compatible with the following older style Combo Filters used on the Arm-Evac 105, Arm-Evac 200 and Arm-Evac 250 Fume Extraction units:
General Purpose Filter PN 8883-0931-P1
Economy Filter PN 8883-0901-P1
Cleanroom Filter PN 8883-0921-P1
Adhesive Filter PN 8883-0951-P1
