Size: Juwel BioPlus M Fine Sponge for Bioflow M (3.0).Suitable for JUWEL Rio 125, Rio 180, Rio 240, Vision 180, Trigon 190, Lido120 & Lido 200.
Size: Juwel BioPlus L Standard Fine Sponge for Bioflow L (6.0).Suitable for JUWEL Rio 300/350 & Vision 260.
Size: Juwel BioPlus XL Jumbo Fine Sponge for Bioflow XL (8.0).Suitable for JUWEL Rio 400/450, Vision 450 & Trigon 350.
The Juwel Fine Sponge Filter Media is designed to remove small to medium sized particles and within its design allows bacteria to flourish and multiply down to its large surface area. It is recommended to change the BioPlus Fine sponge every 3 to 9 months to keep your filter running as efficient and possible.