Size 4 Polyester Filter Bag – Polyester (PE-P4S)

This Size 4 polyester felt filter bag (PE-P4S), also known as a Size 4 filter sock, is ideal for higher-temp or water-based applications.
Choose between a 304 stainless steel ring or polypropylene flange (POL) and select from sewn or welded construction. Available in micron ratings from 1 to 200.

Key Features

• Size 4 (4.1" diameter × 14" length)

• Durable polyester felt media

• Compatible with high-temp fluids

• Available in welded or sewn construction

• Optional 304 SS ring or POL flange

• Wide micron range (1–200 µm)

• Made in the USA 🇺🇸

• Industrial-grade construction

Application Suitability

✅ Water & Wastewater Treatment
✅ Food & Beverage Processing
✅ Parts Washing
✅ General Manufacturing
✅ Paints & Coatings

Typical Applications

• High-temp water filtration

• Cooling tower side streams

• Chemical compatibility scenarios

• Automotive washing stations

• Pre-RO filtration