P-CO-3 filters (former No. 5 medium canister) Model No.: 5 Products Category : gas mask > filters INQUIRY Details Product Category: FilterProtection object: carbon monoxide gas Send Inquiry Name:* E-mail:* Tel: Content:* Verification Code:* (All * must be filled in) [ Previous:Filter tank ] [ Next:4 ] Related Products Gas mask filter cartridge Filter Box P-E-1 Filter 2 P-B-1 Filter 3 P-K-1 Filter 4 P-A-1 (former cartridge No. 3) plastic filter piece 1 P-E-1 (former cartridge No. 7) plastic filter piece 2 P-B-1 (former cartridge No. 1) plastic filter parts 3 P-K-1 (former cartridge #4) plastic filter piece 4 P-E-3/P-E-2 (former No. 7) metal filter element 1 P-B-3/P-B-2 (former No. 1) metal filters 2