All have top grate and support bars for camouflage rock; media bag ; dual Bio-Tech filter mats, and sturdy bottom grate 

BF1900: 

• 19” spillway
• Pump flow 2500-4000 gph;
• 2” bulkhead; use with PS4600 skimmer.
• 28" x 25" x 21.5" H. 
• UPS-able.

BF2600: 

• 26” spillway
• Pump flow 4000-6000gph; 
• 2” bulkhead; 
• use with PS4900/7000 skimmer. 
• 34.5" x 25" x 23" H. 
• UPS-able.

BF3800: 

• 38” spillway
• Max pump flow 10000 gph;  
• 3" bulkhead 
• use with PS9500 skimmer. 
• Truck ship only.