Supa Under Gravel Filters Filtration & Aeration - Magnesium: 1

- Magnesium: 1

on which the smallest model has one and the two larger ones both have two individually adjustable air outlets

It includes the necessary fittings and instructions to ensure a secure and seamless setup in your aquarium

Lido 200 (T5/T8)

just constant readings

Supa Under Gravel Filters Filtration & Aeration - Magnesium: 1Under Gravel Aquarium Filters are suitable for Tropical, Marine or Coldwater Aquaria. They are to install, offer proof against "digging up" by fish, have a high filtration rate, eliminates the filter wool layer and also the air lift tube can be easily cleaned & positioned at either end of the filter