From Zoro
3M 3M D8094 SECURE CLICK ABEK1P3 R FILTER DUAL FLOW Pack of 8
Conrad Electronic
3M Secure click combination filter D8094 A1B1E11K1P3 R D8094 2 pc(s)
Kaiser Kraft
3M protection level ABEK1 P3 R, pack of 4 pairs, protection level ABEK1 P3 R, pack of 4 pairs, for half mask HF-800