Description
Replacement Filter Cartridge for Whisper Power Filter 20i, 40i, C 20, 20, 40, 60 & the Old Top Fin Power Filter 20, 30, 40, & 60, & Aquarium Masters Model 55! This replacement filter cartridge is a Multi-Stage disposable cartridge: Stage One is mechanical – Advanced multi-layered polyfiber floss traps micro & macro organic particles and foreign debris. Stage Two -Chemical -Super-Activated carbon granules absorb many disolved containinants, odor, toxins, and discoloration. Stage Three Biological
