HMEF dedicated HEPA filter material, 0.5 micron filtration efficiency 99.9%-99.99%, produced in a cleanroom environment material passed 36 RoHS certifications.

This is the dedicated HEPA filter material for HMEF filters, specially developed for medical respiratory filtration scenarios. It delivers stable filtration performance with a 0.5μm particle filtration efficiency ranging from 99.9% to 99.99%. It effectively intercepts bacteria, fine particles and contaminants in the air, offering reliable airway protection for patients.
 
All filter materials are manufactured inside a professional cleanroom. Strict dust-free production standards are followed throughout the whole manufacturing process to avoid secondary pollution. The filter medium maintains consistent structure and stable performance batch after batch, meeting the high hygiene requirements of medical consumables.
 
Our HMEF HEPA filter material has passed 36 RoHS certification tests. It contains no harmful restricted substances, safe and non-irritating for human respiratory use. The material features good air permeability and low airflow resistance, which will not add extra burden to breathing while maintaining high filtration capacity.
 
We support custom sizes and specifications to match different HMEF filter housings. As a direct factory supplier, we provide stable bulk supply for medical distributors and respiratory equipment manufacturers. If you need customized solutions, welcome to send us your inquiry.

To better ensure the safety of your goods, we provide professional, environmentally friendly, convenient, and efficient packaging services.

Dongguan Longwangda Technology Co., Ltd. has been established for 15 years and specializes in the production of:

• Disposable CPAP filters
• Medical HMEF filters
• Corrugated absorbent paper
• Bacterial filtration membranes

All sizes can be customized according to customer requirements. Our production capabilities include:

• 2 large-scale corrugated composite machines
• 3 high-speed slitting machines
• 2 ultrasonic slitting machines
• 3 winding machines
• Complete packaging line

We guarantee fast delivery and high-quality products. New and existing customers are welcome to inquire and negotiate business.