Juwel FilterGrid Brand_D-D Every size is engineered to

Every size is engineered to match the exact specifications of its compatible ReefMat model for reliable

Professional installation recommended for optimal performance

Koi carp & ornamental pond fish

submersible

so there is no suffocation of the soil

Juwel FilterGrid Brand_D-D Every size is engineered toFilterGrid Fine mesh intake slot The JUWEL FilterGrid prevents very small shrimp and fish from entering the JUWEL Bioflow Filter. Smaller intake slots The special shape allows for a reduction of the size of the intake slots at the top and the sides. The carefully coordinated components blend perfectly with the design of the JUWEL Bioflow Filter. The specially developed shape of the FilterGrid continues to ensure consistently strong sucking and