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Coarse Filters as Pre-Filters for Intake Air Systems
US$7.50
1-999 Pieces
US$6.50
1,000+ Pieces
Sample price:US$2.50/piece.Request sample
Product profile
Customization
AvailableClapboard
without ClapboardFilter Number
1Model NO.
THN-BSMedium Material
Synthetic FiberEfficiency
G2/G3/G4Filtration Grade
Pre FilterType
Panel FilterName
Coarse Filters as Pre-Filters for Intake AirMedia
Aluminum Mesh/Stainless Steel Mesh/Nylon MeshFrame
Aluminum/Galvanized Steel/Stainless SteelFace Net
Aluminium Mesh/Stainless Steel MeshClass
G2,G3Thermal Stability
up to 300cMoisture Resistance
100% RhTransport Package
8/12 Piece Package for a Bundle Then in a CartonSpecification
ISO9001: 2008; CETrademark
ThenowOrigin
Shanghai, ChinaHS Code
84219990Production Capacity
8000PCS/MonthKey features
Customizable Sizes: Available in all customized sizes to meet specific project requirements.
Washable & Reusable: Designed for repeated washing, offering cost efficiency and long service life.
Super Low Pressure Drop: Initial pressure drop as low as 37Pa, ensuring energy-efficient airflow.
High Dust Holding: Large surface area and structure provide high dust holding capacity.
Moisture & Acid Resistant: 100% RH moisture resistance and acid-base resistance for harsh conditions.
Multiple Media Options: Options include Aluminum Mesh, Stainless Steel Mesh, and Nylon Mesh.
16+ Years Experience: Manufacturer with over 16 years of expertise in HVAC air filtration.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2007-01-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.59h CertifiedTerms of Payment: LC, T/T, Western Union, etc.
AI-Powered supplier vetting
SummaryShanghai Thenow Purification Technology Co., Ltd. is a China-based limited company established in 2016, operating from a 9,900 m² Shanghai manufacturing facility with 101 employees. It is described as a wholly owned production unit of Thenow Group, whose broader group history began in 2005 and includes six production units. The supplier manufactures HVAC, industrial air, HEPA, and air filter cartridge products, serving industrial dedusting, gas turbine inlet, and HVAC applications. Evidence indicates established production capacity, with more than 10 production lines, 27 years of combined R&D engineer experience, 11–20 quality-control staff, and broad export-market coverage. ISO 9001, ISO 14001, and ISO 45001 certifications are reported. The supplier states that its products use designed filter media and larger media surfaces to improve contaminant capture and reduce resistance. However, the provided information does not sufficiently establish after-sales support, customization processes, financial...
Supplier typeThe supplier is a Chinese limited company and a wholly owned production unit of Thenow Group. Its stated business is manufacturing air-filtration products for industrial dedusting, gas turbine air-inlet systems, and HVAC systems, with a factory in Shanghai and commercial activity in industrial equipment and machinery.
CertificationsThe supplier reports holding ISO 9001:2015, ISO 14001:2015, and ISO 45001:2016 certificates. These explicitly cover quality, environmental, and occupational-health-and-safety management systems, providing positive evidence for this field.
R&D capabilityThenow Group is described as a specialist in developing and producing filtration systems and solutions, while the supplier reports 27 years of total R&D engineer experience. Its stated product approach uses better-designed filter media and larger media surfaces to improve contaminant capture and maintain lower resistance, supporting an explicit but limited indication of technical innovation.
Production capacityThe supplier operates a 9,900 m² factory with more than 10 production lines and 11–20 quality-control staff. It is part of a group with six production units and manufactures multiple air-filter categories for industrial and HVAC applications, indicating established and comparatively broad production capability.
Product Q&A
Q:What are the available filter media options?
A:
We offer Aluminum Mesh, Stainless Steel Mesh, and Nylon Mesh as filter media options.
Q:Is the filter washable and reusable?
A:
Yes, the coarse filters are designed to be washable for repeated use, making them cost-efficient.
Q:Can the filters be customized in size?
A:
Yes, we can manufacture these filters in all customized sizes to fit your specific needs.
Q:What is the initial pressure drop?
A:
The initial pressure drop is super low, ranging from 37Pa to 55Pa depending on the model and size.
Q:What certifications do your filters have?
A:
Our HVAC air filters are certified by CE and SGS, and tested according to EN779, EN1822, ASHRAE, and ISO16890.
Send Inquiry
*To:
Shanghai Thenow Purification Technology Co., Ltd.
Shanghai Thenow Purification Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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