Aqua One Filter Carbon Cartridge Replacement - AquaStart 340 2pk (69c)

Genuine Aqua One carbon cartridges for use in assorted external and built-in filters. Most incorporate filter wool and activated charcoal. 

Carbon cartridges should be replaced every 6-8 weeks.

Some cartridges are suitable for a range of tanks depending on the included filter.

1C: AquaNano 30/40, AquaStyle 380, Arc 16/30/46, Dynamic 55/58, Focus 25/36, Horizon View 130/182, Lifestyle 21/29, Reflection 55, Betta Condo Mono/Duo/Trio, AquaBac 100

2C: AquaStyle 510, Lifestyle 52

54C: Splish & Splash S/M, Tropical Starter Kit 21L, Clearview 100

55C: AquaLume 23/27, AquaStart 320, Focus 14/23, Horizon 65, Horizon View 65, Reflection 45, Splish & Splash L, BT10, Betta Sanctuary, Clearview 280, AquaBac 60

56C: Horizon 130, Clearview 400

57C: Horizon 182, Clearview 600