Pellet Master PM I PM II PM III Identity Manufacturer Bashsea Bashsea Bashsea Product Line Pellet Master Pellet Master Pellet Master Product PM I PM II PM III Universal Product Code - - - Available Styles Blue Black, Red Black, White Black Blue Black, Red Black, White Black Blue Black, Red Black, White Black Physical Properties Dimensions (L x W x H) 6 x 6 x 9.25 in 15.24 x 15.24 x 23.5 cm 6 x 6 x 13 in 15.24 x 15.24 x 33.02 cm 8.5 x 8.5 x 15.5 in 21.59 x 21.59 x 39.37 cm Weight 2 lb .91 kg 3 lb 1.36 kg 4 lb 1.81 kg Physical Properties (with packaging) Dimensions (L x W x H) 8 x 8 x 12 in 20.32 x 20.32 x 30.48 cm 8 x 8 x 15 in 20.32 x 20.32 x 38.1 cm 13 x 13 x 21 in 33.02 x 33.02 x 53.34 cm Weight 4 lb 1.81 kg 5 lb 2.27 kg 6 lb 2.72 kg Properties Chamber Diameter 4 in 10.16 cm 4 in 10.16 cm 6 in 15.24 cm Chamber Height 7.5 in 19.05 cm 10.5 in 26.67 cm 11.75 in 29.85 cm Water Input Diameter .5 in 1.27 cm .5 in 1.27 cm .75 in 1.91 cm Water Output Diameter .5 in 1.27 cm .5 in 1.27 cm .75 in 1.91 cm Bio Pellet Media Capacity 300 mL 450 mL 900 mL Recommended Aquarium SetupNOTE: Bio load can affect recommendations Aquarium Min Volume 50 gal 189.27 L 100 gal 378.54 L 300 gal 1135.62 L Aquarium Max Volume 100 gal 378.54 L 200 gal 757.08 L 500 gal 1892.71 L Flow Rate Min 150 gal / hr 567.81 L / hr 200 gal / hr 757.08 L / hr 350 gal / hr 1324.89 L / hr Flow Rate Max 250 gal / hr 946.35 L / hr 300 gal / hr 1135.62 L / hr 600 gal / hr 2271.25 L / hr Water Pump Sicce 1.0 Sicce 1.0, Sicce 1.5 Sicce 2.0, Sicce 3.0 Bio Pellet Media Dr Tim's NP-Active Pearls Dr Tim's NP-Active Pearls Dr Tim's NP-Active Pearls