Quality AIR FILTERS manufacture by COX Filter Bag at reasonable price. Material pass FDA, SGS test.
COX Filter Cloth’s successful HVAC Air Filters products as follows: Coarse Filter Cotton, Ceiling Filter, Floor Filter, Heat-Resistant Air Filter, all kinds of Pocket, Plank, Foldaway Filters, Primary Filter, Secondary Filter, HEPA Filter, Activated Carbon Filters, and all different kinds of clean products and equipments used in the cleaning room and ventilation system of HVAC(heating & ventilation application).
Air Filter Media
Glass Fibre Synthetic Media Polyfoam
Coarse Filter Cotton
G2(EU2), G3(EU3), G4(EU4),
Ceiling filter,spray booth filter media: F5(EU5)
PA-50 Paint arrestor、Paint stop、Glass mat: G3(EU3), G4(EU4)
Multilayer non-woven bag filter media: F5, F6, F7, F8, F9
Synthetic fiber filter bag
Panel Air Filter(Foldaway plank filter:G2, G3, G4, F5)
Glass Panel Filters
Synthetic Panel Filters
Pleated Panel Filters
High Performance Pleated Panels
Pad Holding Frame
Polyfoam Washable
Metal Washable
Rod Framed Fan Coil
Bag Filter
General Purpose Bag Filter
High Performance Bag Filter
High Performance Rigid
Plastic Rigid Bag
HEPA Filters
H10 to H14 to EN1822
LEPA Filters (HP RP)
F6 -F9 to EN779
ULPA Filters
U15-16 Cassette Filters
Cassette Filters
H10 to H14 to EN779
Metal mesh pre-filter:G2(EU2)
Synthetic fiber plank pre-filter:G2(EU2), G3(EU3), G4(EU4)
Nylon mesh pre-filter: G1,G2
Plank temperature resistance filter:G3(EU3), G4(EU4), F5(EU5)
Washable pre-filter:G3,G4
Synthetic fiber pocket pre-filter: G3, G4
Synthetic fiber filter bag:G3-F8
Medium efficiency anti-static pocket filter:F5,F6,F7,F8,F9
Medium efficiency box filter:F6,F7,F8,F9
Medium efficiency combined filter:
Deep-pleat HEPA filter
Mini-pleat HEPA filter
HEPA combined filter
High-temp. HEPA filter
AIR FILTERS Tags : Air Filters, Hvac Filter
AIR FILTERS FAQ | Professional Liquid Filtration SolutionsA. AIR FILTERS Product & Compliance
Q: Do your AIR FILTERS meet EU and North American regulatory requirements?
A: Yes. Our AIR FILTERS are manufactured using FDA-compliant filter materials.
We provide full technical documentation, material safety data sheets (MSDS), and third-party test reports (SGS).
Q: What is the quality standard and consistency of your AIR FILTERS?
A: Zaozhuang COX Industry Technology operate strict accordingly ISO 9001 quality management.
All AIR FILTERS are made from high-strength filter fabric with precise micron ratings and excellent particle retention. Every AIR FILTERS undergoes strict QA inspection before packing.
We implement a multi-stage quality control process: each AIR FILTERS are inspected after tailor, after sewing or melt body & bottom, after sewing or melt neck , and again before final packaging.
This ensures consistent quality and minimizes defects. Batch-to-batch consistency is tightly controlled with defect rates below 1%.
B. Delivery & Logistics
Q: What is the typical lead time for AIR FILTERS?
A: Standard lead time is 1–2 weeks for regular sizes and 1month for custom orders.
93.5% order can delivery within 1week.
Q: What is your MOQ and sample policy for AIR FILTERS?
A: MOQ is usually 50–100 pieces. We offer low MOQ for first orders and provide paid samples (cost can be deducted from future bulk orders). We understand the importance of validation before large commitments.
C. Pricing & Payment
Q: How competitive is your pricing?
A: We offer highly competitive factory-direct pricing with clear volume discounts.
Total Cost of Ownership (TCO) — including product durability, filtration efficiency, and reduced replacement frequency. Q: Will prices increase if raw material costs rise?
A: We will give you at least 15 days advance notice and work together to explore cost-optimization options such as alternative micron ratings or order consolidation.
D. Service & Support
Q: How quickly do you respond to inquiries?
A: We guarantee a professional reply within 24 business hours (usually much faster).
You will be assigned a dedicated account manager who communicates clearly and efficiently via email, WhatsApp, or phone — helping you minimize communication costs and time.
Q: What is your after-sales service and warranty?
A: We offer a 6-month quality warranty. If there is any manufacturing defect, we will replace the products and cover return shipping costs.
Customer feedback is actively used to continuously improve our products and service.
Q: Can you provide customization and technical optimization?
A: Absolutely. Our team can customize micron filter rating, bag size, ring type (Standard PP(Eaton & FSI)/SS & Steel/Soft PP Ring), seam style (welded/sewn), and handle design according to your specific filtration needs. We also proactively suggest optimizations for higher flow rates, longer service life, or better cost efficiency.
Q: Do you support sustainability or ESG requirements?
A: Yes. We offer recyclable packaging options and are continuously improving our production process to reduce environmental impact.
