DBI SALA AB021241 X Large Pro Positioning Belt With (2) D Rings, Hip Pad And Tongue Buckle cool machines cm 1500 you need a rescue plan Size:Medium you need a rescue plan you can count on to rescue you quickly and efficiently: the DBI SALA Self Rescue unit is your rescue plan The Auto Air IDLH filtration system is engineered to supply breathing air (Grade D) with full automatic emergency reserve air in case of failures or reduced main air source pressure while performing job duties in hazardous environments Hip Pad And Tongue Buckle It comes with 2 D rings to provide convenient positioning and hip pad to offer flexible movement