Whilst used with the Fluval FX Gravel Vic, the Positive filter out bag successfully traps particles and particles. Those filter out luggage fit with Fluval FX Gravel Vic (A370).
Suitable with the Fluval FX Gravel Vacuum (Merchandise #A370 – bought one by one)
Supplies a deep blank, decreasing water amendment frequency
Really useful substitute after 2 makes use of