55 56 57 breathing apparatus general accessories filter cotton filter membrane

Product Description

about the product

Please specify color when purching(black or white)

Product parameter

Ventilator filter cotton for DeVilbiss DV54, 55, 56, 57 breathing apparatus general accessories , effectively filter PM2.5 small particles of dust.Double filter, double protection: the outer layer is black and the inner layer is white.The black coarse filter is reusable and requires regular cleaning. When cleaning, you can gently wash with warm soapy water, and you can continue to use it after air-drying. If the membrane pores are too large or damaged, you need to replace the membrane with a new one. Change every 6 months and clean weekly.The white fine filter membrane can not be reused and replaced regularly. When the color of the filter membrane is found to be gray, replace it with a new one in time, usually once a month. The service life of each new filter membrane is about 250 hours.Frequent replacement of filter cotton can extend the life of the ventilator by 3--5 years.

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Company profile

OUR SERVICES

1. OEM/ODM service : We offers OEM/ODM service for clients , treat clients as friend and aim at building long term business relatiionship.

2. Top Quality: We have strict quality control system and enjoy good reputation in the market.

3. Unbeatable Price: We always ensure high price performance to benefit our customers.

4. Timely Delivery: Your order shall be shipped once finished .

5. After-Sale Service: Cpap machine enjoy free warranty for 2-3 years, lifetime maintenance service.

6. Shipping cost: We are VIP customer of DHL, TNT, FEDEX, UPS, EMS, can enjoy a competitive shipping cost.

Your satisfaction is our duty! It will be our great honor to serve you. We do hope we can offer you more help in medical field and build the long term business relationship with you!

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FAQ

Q: What’s the minimum order quantity (MOQ)?
A: For most of our medical products, even order for only one unit is warmly welcomed.

Q: Can provide free samples?How long can I get the samples?

A: Yes.Usually for two or three days

Q: How much the transportation freight of samples?

A: The freight depends on the weight and package size and your area.

Q: What’s your delivery time?
A: Generally it is 3 days if the goods are in stock.

or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: How long is the validity of quotation?

A: Generally,our price is valid within one month from the date of quotation .The price will be adjusted appropriately according to the price fluctuation of raw material and changes in market .

Q: Do you have the CE certificate ?

A: Yes, most of our products have the CE certificate.

Q: How to ship the order?
A: Please inform us your instruction, by sea, by air or by express, any way is ok for us. We have very professionalforwarder to provide the best shipping cost, service and guarantee.

Q: What is your terms of payment ?
A: We accept T/T ,LC,Western Union ,Escrow ,Paypal and more.Please suggest your preferred payment method.