PondMax Pre-Filter Sponge Filter F300

Pre-filter Sponges will adapt to a variety of pumps, saving you cleaning time. They also harbour beneficial bacteria and extend the life of your pump by reducing wear and tear.

FEATURES

• Ideal for pond & fountain pumps
• Provides mechanical & biological filtration for your pond
• Reduces pump maintenance
• Measurements (mm) - 300 x 120 x 120
• Thread size - 1/2in / 15mm BSP  &  1in / 25mm BSP