LTWHOME Compatible Polishing Filter Pads Fit for Fluval 304 305 306 404 405 406(Pack of 12) Description Although it is not the original bio-sponge of Hagen Fluval, but of high quality and manufactured with the same material comparing the real one. The polyester filter sponge mat without brand but suitable for Fluval filtration system 304 305 306 404 405 406. If you want to look for the filter sponge mat for Hagen Fluval filter system, please click "honest-fly" to choose it in our store. Feature - Thickness: 25 mm. - Generally designed and manufactured for Fluval 304 305 306 404 405 406 filtration system. - Improve biological filtration. - Provides efficient water flow with little clogging for long time filtration. - Good for freshwater and saltwater environment. Warning points: Pay attention to the size column, you could find different kinds of product quality. You could get a better price if you buy more. About Transportation The great existence of deposit and the rapid expedition are our negligence. We will do our best to arrange each order within 24 hours, no matter it is big or small. We are the international seller, each object requires examined by two customs. DHL is the main way to transport, normally it costs 1-2 weeks to get to Spain. If you do not receive the object during the period or have problems, contact us first. Let's solve the problem for you. About us We are honest seller,if you have problems,please contact us first before leaving feeding. We will do our best to solve your problem. Features: High quality,Performs mechanical filtration! Traps Particles & Debris Enhances biological filtration Good for freshwater & marine environments Product Details: Is Discontinued By Manufacturer ‏ : ‎ No Package Dimensions ‏ : ‎ 8.54 x 7.13 x 2.68 inches; 1.48 Ounces Item model number ‏ : ‎ P305 Date First Available ‏ : ‎ April 17, 2014 Manufacturer ‏ : ‎ HuaxinYicheng Trade Co., Ltd. Country of Origin ‏ : ‎ China Best Sellers Rank: #60,277 in Pet Supplies (See Top 100 in Pet Supplies) #859 in Aquarium Filter Accessories #859 in Aquarium Filter Accessories Customer Reviews: 4.5 4.5 out of 5 stars 386 ratings