600 gph media filter system; bottom layer under bedding coarse gravel; size: 0.25 x 0.50 in.; density: 100 pounds per foot
Classification: Pebbles & gravel
NSN 5930-01-421-9811
NSN 6145-01-529-6566
NSN 6220-00-356-2617
NSN 6650-01-436-1173
NSN 4140-01-463-3295
NSN 6610-00-096-1682
NSN 5998-00-189-0761
NSN 6610-01-510-2302
NSN 6645-01-633-1852
NSN 5975-00-189-7849
NSN 5935-01-331-0447
NSN 5855-01-308-0955