{"product_id":"penn-plax-cascade-300-replacement-filter-media","title":"Penn-Plax Replacement Filter Media for Cascade 300 GPH Hang-on Filter, 3 Pack, 10x3x7in","description":"\u003cp\u003eThis replacement filter media is a preassembled cartridge measuring roughly 10 x 3 x 7 inches, and the pack holds three of them. Each cartridge goes into the tray of a Cascade 300 GPH hang-on power filter, model CPF5, and seats there without gaps. The cartridges suit freshwater and marine aquariums and carry activated carbon behind a poly-fiber floss barrier.\u003c\/p\u003e\u003ch2\u003eCartridge construction and what the carbon and floss layers are for\u003c\/h2\u003e\u003cp\u003eThe cartridge holds activated carbon and a poly-fiber floss barrier in one preassembled unit. Because the unit arrives assembled, a change means lifting the old cartridge out of the tray and setting the new one in, with no loose media to portion. Cartridges come in black or blue.\u003c\/p\u003e\u003cp\u003ePenn-Plax gives a working life of 6 to 12 weeks under normal conditions, so one 3-pack covers three changes at that interval.\u003c\/p\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003ePenn-Plax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eCPF5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e10 x 3 x 7 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack count\u003c\/th\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eDoes it fit your Cascade 300 GPH filter?\u003c\/h2\u003e\u003cp\u003eThe cartridge is made for the Cascade 300 GPH hang-on power filter, specifically model CPF5, and drops into that filter's tray without gaps. Check the model number on your filter before buying: a Cascade filter of a different flow rating is not covered by this fit. The cartridges work in freshwater and marine aquariums.\u003c\/p\u003e\u003ch2\u003eCartridge colour options\u003c\/h2\u003e\u003cp\u003eCartridges are supplied in black or blue, and either colour is the same 10 x 3 x 7 inch preassembled unit for the Cascade 300 GPH filter.\u003c\/p\u003e\u003ch2\u003eHow many cartridges come in the pack?\u003c\/h2\u003e\u003ch3\u003eHow many cartridges are in one pack?\u003c\/h3\u003e\u003cp\u003eOne pack contains three cartridges, which matches the 6 to 12 week replacement interval across three changes.\u003c\/p\u003e\u003ch3\u003eWhat size is a single cartridge?\u003c\/h3\u003e\u003cp\u003eEach cartridge measures approximately 10 x 3 x 7 inches.\u003c\/p\u003e\u003ch3\u003eWhich filter model does this cartridge fit?\u003c\/h3\u003e\u003cp\u003eIt fits the Cascade 300 GPH hang-on power filter, model CPF5.\u003c\/p\u003e\u003ch3\u003eCan I use these cartridges in a marine tank?\u003c\/h3\u003e\u003cp\u003eYes. Penn-Plax lists the cartridges for freshwater and marine aquariums.\u003c\/p\u003e\u003ch2\u003eWhat the 3-pack contains\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eThree preassembled filter cartridges for the Cascade 300 GPH hang-on power filter\u003c\/li\u003e\n\u003cli\u003eEach cartridge holds activated carbon and a poly-fiber floss barrier\u003c\/li\u003e\n\u003cli\u003eCartridges in black or blue\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Penn-Plax","offers":[{"title":"Default Title","offer_id":44457656909887,"sku":null,"price":51.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/2409\/1199\/files\/penn-plax-replacement-filter-media-3-pack.jpg?v=1794511945","url":"https:\/\/dogjointly.com\/products\/penn-plax-cascade-300-replacement-filter-media","provider":"DogJointly","version":"1.0","type":"link"}