Fluval AquaClear Power Filter Part - Filter Case 70 Brand_Finnex It also provides nitrogen

It also provides nitrogen

ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Farenheit)

and statuary application

Pac-Pods are sterilized with gamma irradiation for maximum biosecurity

Salifert’s Natural-Iodine additive is highly concentrated and contains a large portion iodate and also some iodide

Fluval AquaClear Power Filter Part - Filter Case 70 Brand_Finnex It also provides nitrogenReplacement Part: AquaClear 70 Power Filter A615 Replacement Filter Case Body A16320 Also works for Aqua Clear 300 Back Filter Fluval BFA Item # AquaClear 70 Filter Case Replacement HA36320 A625