Bag Air Filters
Bag air filters are replacement-driven products where dimensional fit and airflow performance matter more than broad catalog browsing. Buyers need to confirm size, media, pocket count, efficiency, pressure drop, and changeout cadence.
Procurement Guide
How Buyers Should Source Bag Air Filters
Bag air filters are replacement-driven products where dimensional fit and airflow performance matter more than broad catalog browsing. Buyers need to confirm size, media, pocket count, efficiency, pressure drop, and changeout cadence.
What to Compare
- Match nominal and actual filter dimensions to the existing housing before comparing media or efficiency.
- Compare pocket count, media type, MERV or efficiency target, airflow, and initial pressure drop.
- Check replacement frequency, stocking quantity, and whether the site is standardizing filters across units.
Common Applications
- HVAC units, industrial air handlers, prefiltration, and facility maintenance stock
- Manufacturing and warehouse environments with recurring filter changeouts
- Projects where pressure drop and energy use affect operating cost
RFQ Checklist
- Record nominal size, actual dimensions, pocket count, frame style, and efficiency target.
- Confirm airflow, pressure drop, dust load, and replacement interval.
- Use RFQ for multi-site replenishment, equivalent filters, or bulk changeout planning.
Where Buyers Usually Go Next
Related Buying Guides
Use RFQ when you need cross-SKU comparison, bulk pricing, or application support.
31 products

Quantity & Compatibility: 1 piece, specifically designed for ANGEL AHR27-4030K2 water purifier models. Filtration Purpose: Serves as a post-filter to further remove residual odors, chlorine, and fine impurities, ensuring final water quality is clean and great-tasting. Material Quality: Made of high-quality activated carbon, offering excellent adsorption capacity and long service life. Brand Reliability: Manufactured by ANGEL, a well-known brand in water purification, ensuring product quality and performance. Replacement Convenience: Designed for easy installation and replacement, allowing for hassle-free maintenance of the water purifier.

Dimensions & Quantity: 1 roll, size 3.28ft (width) × 65.62ft (length) × 0.39in (thickness), providing ample material for primary air filtration. Filtration Efficiency: G4 filtration grade, effectively capturing dust particles larger than 5μm, serving as a pre-filter in air filtration systems. Material Quality: Made of high-performance PET synthetic fiber, offering good dust-holding capacity, high strength, and tear resistance. Vacuum Packaging: Comes in vacuum-sealed packaging to keep the filter cotton clean and free from contamination before use. Versatile Application: Suitable for coarse dust filtration, pre-filtration in air filtration systems, and various industrial uses such as pollution prevention, air conditioning, industrial waste gas, and processing fumes.

Dimensions & Quantity: 1 roll, size 3.28ft (width) × 65.62ft (length) × 0.59in (thickness), providing sufficient material for primary air filtration. Filtration Efficiency: G4 filtration grade, effectively capturing dust particles larger than 5μm, serving as a pre-filter in air filtration systems. Material Quality: Made of high-performance PET synthetic fiber, offering good dust-holding capacity, high strength, and tear resistance. Vacuum Packaging: Comes in vacuum-sealed packaging to keep the filter cotton clean and free from contamination before use. Versatile Application: Suitable for coarse dust filtration, pre-filtration in air filtration systems, and various industrial uses such as pollution prevention, air conditioning, industrial waste gas, and processing fumes.

Quantity & Design: 1 piece, large T33 model with quick-connect 3/8" interface for easy installation. Material Quality: Food-grade PP shell and high-iodine-value activated carbon, ensuring safety and effective contaminant adsorption. Compatibility: Universal fit for various water purifiers (excluding installation service), suitable for widespread use. Filtration Purpose: Serves as a post-filter to remove residual odors, chlorine, and fine impurities, delivering clean and great-tasting water. Durability: Constructed with robust materials for long-lasting performance and reliable water purification.

Compatibility: Exclusively designed for KARCHER NT 50, NT 70, and NT 90 vacuum cleaner models. Filtration Type: Cartridge filter design, effectively capturing dust, debris, and fine particles for clean exhaust air. Brand Reliability: Manufactured by KARCHER, a leading brand in cleaning equipment, ensuring quality and durability. Replacement Convenience: Easy to install and replace, enabling quick maintenance to sustain vacuum suction power. Durable Construction: Made with high-quality filtration materials, offering long-lasting performance and reliable dust retention.

Compatibility: Exclusively designed for KARCHER NT/75 vacuum cleaner models. Filtration Efficiency: Effectively captures dust, debris, and fine particles, ensuring clean exhaust air and optimal vacuum performance. Brand Reliability: Manufactured by KARCHER, a leading brand in cleaning equipment, ensuring product quality and durability. Replacement Convenience: Easy to install and replace, allowing for quick maintenance of the vacuum cleaner to maintain suction power. Durable Construction: Built with high-quality filtration materials, offering long-lasting performance and reliable dust retention.

Brand & Model: 3M brand, model C4-DRO, specialized for industrial water filtration. Filtration Purpose: Effectively removes impurities, contaminants, and particles from water, ensuring clean water supply for industrial applications. Compatibility: Designed to fit specific 3M water filtration systems, ensuring seamless integration and optimal performance. Durability: Constructed with high-quality filtration materials, offering reliable water purification performance and long service life. Replacement Convenience: Easy to install and replace, allowing for quick maintenance of water filtration systems to minimize downtime.
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Frequently Asked Questions
Common questions about Bag Air Filters
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