PB81239-CTL-H3-SB75 Plated Bag Filter – 8.12″ x 39″, Spunbond Polyester, Center Threaded Lock, 75 Pleats, Heavy-Duty Core

The PB81239-CTL-H3-SB75 is a durable, washable cartridge filter designed for industrial dust collectors that use threaded center-mounting systems. Built with SB media (Spunbond Polyester), this filter excels in abrasive, sticky, or moist dust environments, offering long service life, moisture resistance, and repeatable washability.

It measures 8.12 inches OD by 39 inches in length, with 75 pleats, delivering approximately 90–100 sq. ft. of filtration surface area. The CTL (Center Threaded Lock) end cap design features a closed bottom with a centrally threaded mount for secure, vertical installation. The H3 heavy-duty core provides robust internal support for use in high-static or high-dust-loading applications.

This filter is ideal for use in grain handling, food production, fertilizer plants, plastics processing, and other environments requiring compact-diameter filters that stand up to harsh conditions.

Key Features:

  • Size: 8.12″ OD x 39″ Length

  • Media: SB – Spunbond Polyester (abrasion- and moisture-resistant)

  • Pleat Count: 75

  • Filter Area: ~90–100 sq. ft.

  • End Cap Style: Center Threaded Lock (CTL) – closed end with threaded mount

  • Support Core: H3 – Heavy-duty galvanized helix-style core with outer cage

  • Efficiency Rating: ~MERV 10 equivalent

  • Washable: Yes – reusable with proper maintenance

  • Max Operating Temp: 200°F (93°C)

  • Applications: Fertilizer, grain, plastics, food, agriculture, moist or sticky dust environments

Cross-Reference Compatibility:

  • Environmental Filter: EO3939-SB75

  • Compatible with OEM collectors using 8.12″ x 39″ threaded-end filters

  • Common in vertical housing pulse-jet or mechanical-shaker systems

PB81278-CTL-H6-SB75 Pleated Bag Filter – 8.12″ x 78″, Spunbond Polyester, Center Threaded Lock, 75 Pleats, Ultra Heavy-Duty Core

The PB81278-CTL-H6-SB75 is an extra-long, high-capacity washable cartridge filter engineered for large vertical dust collectors where abrasive, fibrous, or moist particulate is a concern. Built with SB media (Spunbond Polyester), this filter offers superior durability, moisture resistance, and extended service life in tough industrial environments. It is fully washable and designed to handle repeated pulse-cleaning cycles.

This model measures 8.12 inches OD by 78 inches in length, with 75 pleats, offering approximately 160–170 sq. ft. of filtration area. The CTL (Center Threaded Lock) cap provides secure, threaded bottom mounting for vertical installations, while the H6 ultra heavy-duty core ensures stability in high-static pressure or high-dust-load systems, making it ideal for long filters under heavy mechanical stress.

Commonly used in grain processing, fertilizer handling, food production, plastics, and high-capacity agricultural dust systems.

Key Features:

  • Size: 8.12″ OD x 78″ Length

  • Media: SB – Spunbond Polyester (abrasion- and moisture-resistant)

  • Pleat Count: 75

  • Filter Area: ~160–170 sq. ft.

  • End Cap Style: Center Threaded Lock (CTL) – Closed bottom with threaded mount

  • Support Core: H6 – Ultra heavy-duty galvanized core with outer reinforcement

  • Efficiency Rating: ~MERV 10 equivalent

  • Washable: Yes – reusable for extended service life

  • Max Operating Temp: 200°F (93°C)

  • Applications: High-volume grain, feed, food, plastics, fertilizer, and moisture-laden dust environments

Cross-Reference Compatibility:

  • Environmental Filter: EO3978-SB75

  • Compatible with systems requiring 8.12″ x 78″ threaded-end washable filters

  • Designed for vertical installations with extended depth housing