PARKER, Felt, Welded, Filter Bag - 4NVF2|G2PE100-Q - Grainger
Polyester Felt Filter Bag - 12 in. - Essilor Instruments USA
Felt Filter Bag 1/100 Micron - 7 inch Ring 7 x 32 Inch Long - Liquid Water Filter Sock - 1 Pack (1 Micorn - 7" x 32"): Amazon.com: Industrial & Scientific