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- Convenient, no-fuss replacement cartridges for your Cascade 170 internal power filter.
- Optimizes the colonization of beneficial aerobic bacteria.
- Easy-to-replace disposable filters.
Penn-Plax Cascade 170 Internal Bio Filter for Aquariums, 2-Pack
- Brand: Penn-Plax
- Product Code: CIF4FI
- Note: Aquatica Plus is an Amazon Affiliate and may receive payment for items purchased on Amazon.