LTWHOME Compatible Foam Filters Suitable for Interpet Pf3 Internal Filter(Pack of 200) Custom designed and manufactured for

Custom designed and manufactured for the Eheim Classic 2213 / 250 filtration systems

They are just Activated Carbon impregnated foam

and Pagoda pet water fountains

please do not use this product

LTWHOME Compatible Foam Filters Suitable for Interpet Pf3 Internal Filter(Pack of 200) Custom designed and manufactured forPack include 200 PCS Of Foam Filter. Foam size: 135mm x 70mm x 16mm Foam Filters Non branded but suitable for Interpet PF3 Internal Filtration Systems Provides efficient water flow with less clogging for long lasting filtration Enhances biological filtration ,Good for freshwater & saltwater environments After market product,Not Interpet genuine FOAM