Replacement Bioforce 9000 Filter Media over-100 Its pre-established bacterial biofilm aids

Its pre-established bacterial biofilm aids in establishing a stable habitat

it works by encouraging beneficial bacteria while limiting waste

Versatile connection options with 19/25/32/38mm inlets

Simple upkeep with filter cartridge replacement every 4 weeks

Replacement Bioforce 9000 Filter Media over-100 Its pre-established bacterial biofilm aidsReplacement Foam for Hozelock Bioforce 18,000Consists of two fine sponges, two medium sponges, and two coarse sponges. Hozelock have made many alterations to these filters over the years, please check your manual to ensure you purchase the correct option. Please note: these are not official Hozelock foams, but our own alternative at a competitive price. Please also note: these will not fit pre 2002 models.