Pay in 4 interest-free payments of $10.00 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Double fans increase spray coverage (22 inch width)
IF YOU OWN THE OLDER M4 (WITHOUT A BATTERY DOOR)
THIS IS THE WRONG PUMP
Optional boom upgrade kit includes:
This workhorse SLA 12 VDC 8AH battery fits all versions of the M4 backpack
M4 Ultra Comfort Waist Straps Waist Strap Options:Lumbar Padding (attached to battery door) Double fans increase spray coverageThis 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
