Aqua Excel Protein Skimmer Sump

The AE-301 can be mounted internally or placed in a sump filter. Suitable for aquariums up to 300 litres.  The AE401 can be mounted internally or placed in a sump filter. Suitable for aquariums up to 400 litres. The AE601 can be mounted internally or placed in a sump filter. Suitable for aquariums up to 600 litres.