Safariland 4278 OC Spray Pouch, Top Flap, 2.25-Inch Belt Loop, MK4 Fits: Defense Technology MK4 3 oz., Freeze 4 oz. and PunchII M-4 4 oz. canisters, 43423 BGLE10 Fogger 4.0 oz., 42423BG Fogger 4.0 oz. 43435-BGLE10 CT Stream 4.0 oz. and other 4 oz. canisters