600 gph media filter system; third layer, fine garnet sand; size: number 30/40 mesh, 0.37 mm; uniformity: 1.4 max; specific gravity greater than 3.8; bulk density: 130 pounds per foot
Classification: Pebbles & gravel
NSN 5999-01-070-6973
NSN 5996-01-548-5865
NSN 2925-01-330-2988
NSN 5920-01-353-1384
NSN 5930-00-543-9432
NSN 6240-00-690-2274
NSN 5835-01-332-2867
NSN 5905-00-236-8737
NSN 6610-01-175-3485
NSN 5915-01-426-8862
NSN 6685-00-466-8879
NSN 6240-00-264-9652