Standard Felt Liquid Filter Bags
Ecologix Standard Felt Liquid Filter Bags are constructed with 100% synthetic fibers in polypropylene, polyester and Nomex®. The materials meet regulations for food contact and are and economical filtration media.
Features

- Micron ratings from 1 to 200
- All industry-standard and custom sizes available
- Broad chemical compatibility
- High flow/low pressure drop media
- Sewn or fully-welded construction
- Handles standard on all bags
- Choice of steel or molded plastic snap seal rings
- Temperature ratings to 275°F (PE w/S, SS or V-seal ring) and 425°F (HT w/S or SS ring)
Felt Bag Styles
- S-Ring Bags: These bags feature a galvanized steel ring (with an optional stainless steel variant) sewn into the top. They come with standard sewn seams.
- V-Ring Bags: These bags are equipped with a specially designed, high-temperature snap seal ring sewn into the top. They also come with standard sewn seams.
Felt Bag Materials
Constructed with 100% synthetic fibers in polypropylene, polyester and Nomex®. The proper combination of fiber diameters, weights and thicknesses result in economical depth filter medias. Polypropylene & polyester bags are supplied with a singed or glazed finish to reduce fiber migration.
- Polypropylene and Polyester materials meet the regulations for food contact use under FDA CFR21, Section 177.1520 and EU No. 10/2011, 1935-2004
- Glazed/singed finish on polyester & polypropylene reduces fiber-shedding
- Ability to remove both solid and gelatinous particles
- Silicone-free construction
- High dirt holding capacity
- Low cost
Welded Construction
Fully-welded bags are available in glazed polypropylene and singed polyester felt, in #1 & #2 sizes with V-seal molded plastic rings.
- No needle holes, thus increasing efficiencies by preventing by-pass
- Elimination of threads further reduces fibershedding

Materials / Ratings
Material | Rating (µ) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
1 | 3 | 5 | 10 | 15 | 25 | 50 | 75 | 100 | 150 | 200 | |
Polyester | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Polypropylene | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |||
Nomex® | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Standard Felt Liquid Filter Bags - Ordering Details
Media | Rating (µ) | Cover/Jacket | Bag Dimensions | Ring Style | Options | ||
---|---|---|---|---|---|---|---|
Size | Diam. | Length | |||||
PE = Polyester | 1 - 200 | Plain (No Cover) | C = Commercial Type Snap Steel Band | A = Automotive Seam | |||
PO = Polypropylene | 1 | 7.06" | 16.5" | PP = Polypropylene (rolled) | NR = No Ring | ||
HT = Nomex® | 2 | 7.06" | 32.0" | S = Standard Steel Ring | PL = No Outer Finish | ||
3 | 4.12" | 8.0" | SS = Stainless Steel Ring | RC = Rev. Collar (S & SS only) | |||
4 | 4.12" | 14.0" | V = High-temp Plastic Snap Seal | WE = Fully Welded (PE & PO only) | |||
7 | 5.5" | 15.0" | |||||
8 | 5.5" | 20.0" | |||||
9 | 5.5" | 31.0" | |||||
C1 | 7.31" | 16.5" | |||||
C2 | 7.31" | 32.5" | |||||
C3 | 8.0" | 30.0" |