MOBILE WIDE SPAN STORAGE RACKS - PARTICLE BOARD ADDITIONAL SHELVES MODELNO. DIMENSIONSW x D x H NO. OFSHELVES SHELFSUPPORTS CAPACITY(LBS.) WT.(LBS.) PRICE EACH ADD TOCART MODELNO. PRICE EACH ADD TOCART 1 3+ 1 3+ H-7571 36 x 18 x 67" 3 3 600 95 $240 $230 ADD H-2188-ADD ...