Filter, Tissue Quartz, (99.90% retention of 0.3µm Back Catalog number: GF25TQ Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 6075-0421-20 Screws, Low Flow Module (Pkg Of 20) Price on request 810-0102-02 GilAir-5 Clock, with timer (ATEX), Pump only Price on request 6075-0428-25 Battery Pack Mounting Screw (Sold in pack of 25) Price on request