Unipet Aquarium Under Gravel Filter Replacement Carbon Cartridge- 10 x 2 Packs

10 x 2 Pack (total of 20 cartridges)

Improves Water Quality

Fits the Unipet Under Gravel Filter No. 1114 & 1115.

Removes gases, odours and dissolved organic compounds from aquarium water. Replace every 4-6 weeks, or more often depending on fish population.