For All Fresh And Salt Water Aquariums And Ponds. Most Cost Effective Way To Protect Filters From Damage Caused By Loose Filter Media. Specially Design 100 Percent Nylon Drawstring Bag Maximizes Filtration And Will Not Disintegrate In Water. For Use In All Filters And All Types Of Carbons Or Other Granular Products. Washable And Reusable. Made In The Usa.
GRP:PET