M4 Ultra Comfort Waist Straps Waist Strap Options:Lumbar Padding (attached to battery door) 80 PSI pump with adjustable

80 PSI pump with adjustable pressure output to reach up to 36ft

Heavy-duty

Do not use with acids or bleaches

Optional boom upgrade kit includes:

M4 Ultra Comfort Waist Straps Waist Strap Options:Lumbar Padding (attached to battery door) 80 PSI pump with adjustableThis is a kit to install the new M4 waist straps on existing units. These waist straps require some installation. The instructions can be found below. Install the new M4 door with the lumbar padding. Use the outside padding border to position the hinge onto the base. Holding the hinge in position, drill 3 16" holes through the top and bottom hinge holes for both sides. Insert 2 bolts into the top and bottom holes and tighten with the locknuts