Clapboard: | without Clapboard |
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Filter Number: | 0 |
Medium Material: | Cotton |
Samples: |
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Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: | |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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G3 G4 Primary Filtration Filter Material Roll Filter Cotton widely used as filter media in the ventilation system of cleanrooms where resistance to high humidity and chemicals is desirable. Especially used in the train or the subway, where the place has air-conditioner, pre filter through air filter program.
* Pre filter is designed for pre-filter or coarse filtration in the inlet of general ventilation and air conditioning equipment.
* It is processed by high-performance synthetic fiber with gradual density.
* High dust holding capacity and low resistance, strong fire retardance.
* It can use many times after washable which is economical.
Used for clean room conditioning system;
Primary filtration in a filtration system;
Pre-filtration at the intake of Air purification equipment
Initial filter efficiency of paper frame: It can be divided into G1, G2, G3 and G4.
G1 stage 40% efficiency for 5um(micron) filter
G2 stage 65% efficiency for 5um(micron) filters
G3 stage pass 85% efficiency for 5um(micron) filters
G4 grade 90% efficiency for 5um(micron) filter
The paper frame primary filter is used in combination with the high efficiency filter to prevent the high efficiency filter from being replaced prematurely due to dust accumulation, thus extending the service life of the high efficiency filter.
Widely used in optical electronics, LCD liquid crystal manufacturing, biomedicine, precision instruments, beverage and food, PCB printing and other industries dust-free purification workshop air supply end; Used in hospital, electronics factory, semiconductor factory, clean room, cleaning table and other occasions requiring high cleanliness.
Matters needing attention for air filters:
1. After cleaning the filter cloth, if the initial resistance value of the filter is lower than the initial resistance value of the filter installed for the first time, it should not be used and replaced in time;The filter should be replaced even if the pressure difference is greater than the initial value after two times of cleaning.2. When taking the HEPA filter, the case should be carried upside down to make the HEPA filter land smoothly.
3. After cleaning the filter, check whether it is damaged or not, and replace it in time. Do not rub, machine wash or shake dry.
4. In the cleaning process, the primary and middle effect filter should not be confused, and should be numbered in order to distinguish.
5. Each air purification system should have a set of spare filters to be replaced in time when cleaning.
Our Main products:
High quality create brand, all our products are passed ISO9001:2008 ,CE certification to make sure provide best products to our clients; Excellent service win good reputation and long term cooperation relationship between our business partners. Using Tianrui Air Filter to Save More Green for Our Home!
Q: What is the international standard for air filter?
A: Euro: Pre (G1---G4), Medium (F5----F9), HEPA (H10--H14), ULPA (U15--17) American: Pre (Merv1---7), Medium ( Merve8----14), HEPA (Merv15---19), ULPA (Merv20)
Q: Can you send Free Sample?
A: Yes.We can offer you Free Samples and you just need to pay express charge. You also can provide your Express Account or asking your courier to pick up from our factory.
Q: What's your MOQ ?
A: Different standard of MOQ for different goods.
Q: What's your Delivery Way?
A: LCL, 20ft, 40GP, 40HQ, by sea or by air, by express delivery ,by train (Our Company Nearby QINGBAIJIANG International Railway Station which line can be arrival Middle Europe directly and only need to take half month )
Q: What's your delivery date?
A: Normal delivery date is about 7-20 workdays after payment.
Q:What's your payment terms?
A:Total amount <=2000USD, 100% T/T in advance. Total amount>=2000USD, 30% T/T in advance and 70% balance beforeshipment. If you have another question, please feel free to contact us.
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