44390 Home » » 44390 NORWESCO 3,525 GALLON HOLDING TANK VIEW TECHNICAL DRAWING RETURN TO PRODUCT LIST PART NO. 44390 Product Details CAPACITY 3,525 GALLON MANHOLE DIAMETER 20" SPECIFICATIONS 211"L x 102"W x 51"H 44876 CAPACITY: 5,025 GALLON MANHOLE DIAMETER: 20" SPECIFICATIONS: 211"L x 102"W x 73"H 44079 CAPACITY: 2,500 gallon MANHOLE DIAMETER: 20" SPECIFICATIONS: 159"L x 99"W x 51"H $5,185.00