or
Filters, Vent; Vessel; PolyVent; Capsule No. 500; Ultrafree-MC (0.5mL max. volume capacity); 500cm2 Filter Area; 66 dia. x 48mm L; 1/4-3/8 in. Stepped hose barb; 163 SLPM Airflow Rate; Single; PTFE; Sterile; 250/PK