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To celebrate Labor Day, there will be some delays in providing quotes and processing packages. We welcome you to continue placing orders, but orders placed after April 25th will begin shipping from May 7th. Thank you, and we wish you a pleasant holiday!
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Central fresh air system commercial ultra-quiet full heat exchange new fan ventilation whole house purification household

Central fresh air system commercial ultra-quiet full heat exchange new fan ventilation whole house purification household
Central fresh air system commercial ultra-quiet full heat exchange new fan ventilation whole house purification household
Central fresh air system commercial ultra-quiet full heat exchange new fan ventilation whole house purification household
Central fresh air system commercial ultra-quiet full heat exchange new fan ventilation whole house purification household
Central fresh air system commercial ultra-quiet full heat exchange new fan ventilation whole house purification household
Central fresh air system commercial ultra-quiet full heat exchange new fan ventilation whole house purification household
Central fresh air system commercial ultra-quiet full heat exchange new fan ventilation whole house purification household
Central fresh air system commercial ultra-quiet full heat exchange new fan ventilation whole house purification household
Central fresh air system commercial ultra-quiet full heat exchange new fan ventilation whole house purification household
Central fresh air system commercial ultra-quiet full heat exchange new fan ventilation whole house purification household
Central fresh air system commercial ultra-quiet full heat exchange new fan ventilation whole house purification household
$135.49
5 or more $121.94
10 or more $115.17
20 or more $108.39
50 or more $101.62
100 or more $94.84
  • Stock: 4491
  • Model: 853857542644
  • Weight: 0.30kg
  • SKU: 853857542644

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Specifications and models Engineering orders with discounted prices,350 air volume [smart] two-way flow silent fan,500 air volume [smart] two-way flow silent fan,800 air volume [smart] two-way flow silent fan,1000 air volume [smart] two-way flow silent fan,1200 air volume [smart] two-way flow silent fan,1500 air volume [smart] two-way flow silent fan,2000 air volume [smart] two-way flow silent fan,2500 air volume [smart] two-way flow silent fan,3000 air volume [smart] two-way flow silent fan,350 air volume [intelligent + purification] two-way flow silent fan,500 air volume [intelligent + purification] two-way flow silent fan,800 air volume [intelligent + purification] two-way flow silent fan,1000 air volume [intelligent + purification] two-way flow silent fan,1200 air volume [intelligent + purification] two-way flow silent fan,1500 air volume [intelligent + purification] two-way flow silent fan,2000 air volume [intelligent + purification] two-way flow silent fan,2500 air volume [intelligent + purification] two-way flow silent fan,3000 air volume [intelligent + purification] two-way flow silent fan,350 air volume [smart] full heat exchange silent fan,500 air volume [smart] full heat exchange silent fan,800 air volume [smart] full heat exchange silent fan,1000 air volume [smart] full heat exchange silent fan,1200 air volume [smart] full heat exchange silent fan,1500 air volume [smart] full heat exchange silent fan,2000 air volume [smart] full heat exchange silent fan,2500 air volume [smart] full heat exchange silent fan,3000 air volume [smart] full heat exchange silent fan,350 air volume [intelligent + efficient purification] full heat exchange silent fan,500 air volume [intelligent + efficient purification] full heat exchange silent fan,800 air volume [intelligent + efficient purification] full heat exchange silent fan,1000 air volume [intelligent + efficient purification] full heat exchange silent fan,1200 air volume [intelligent + efficient purification] full heat exchange silent fan,1500 air volume [intelligent + efficient purification] full heat exchange silent fan,2000 air volume [intelligent + efficient purification] full heat exchange silent fan,2500 air volume [intelligent + efficient purification] full heat exchange silent fan,3000 air volume [intelligent + efficient purification] full heat exchange silent fan,350 air volume [high-end] full thermal purification pm2.5 fresh air fan,500 air volume [high-end] full thermal purification pm2.5 fresh air fan,600 air volume [high-end] full thermal purification pm2.5 fresh air fan,350 air volume [high-end dc] full thermal purification pm2.5 fresh air fan,500 air volume [high-end dc] full thermal purification pm2.5 fresh air fan,800 air volume [high-end dc] full thermal purification pm2.5 fresh air fan,1000 air volume [high-end dc] full thermal purification pm2.5 fresh air fan,1200 air volume [high-end dc] full thermal purification pm2.5 fresh air fan

Tips for reducing the shipping cost

1)Get rid of the original packing, for example, if you buy a pair of shoes, you could get rid of the shoebox which will save a lot for volumetric weight.

2)The shipping cost is normally charged by every 0.5KG. So if you buy a product that is only 0.1KG then you might consider buying 2-3 PCS per time which will not add more shipping cost for your order.

Volumetric Weight

Volumetric weight refers to the overall size of a parcel and is measured in volumetric kilograms. Volumetric weight can be calculated by multiplying the length, width, and height of a parcel (in cm) and dividing that figure by 5000 (some carriers use a divisor of 6000/7000 and etc).

Prohibited Items (but not limited) for International Shipping,

  • Cigarette
  • Alcohol
  • Liquid
  • Knife/Scissor
  • Toy Gun
  • Seeds
  • Live Animals
  • Real Flowers

The following items (but not limited) might only could ship with specific logistic lines,

  • Cream
  • Cosmetics
  • Snacks
  • Medicine
Women's Clothing (Coats & Jackets, Dresses, T-Shirts, Tops, Suits)
Standard Size
China (cm) 160-165/84-86 165-170 / 88-90 167-172 / 92-96 168-173 / 98-102 170-176 / 106-110
International XS S M L XL
USA 2 4-6 8-10 12-14 16-18
Europe 34 34-36 38-40 42 44
Bra - Under bust
Standard Size
China
(cm)		 76.2 81.3 86.4 91.5 96.5 101.6 106.7 112 117 122 127 132 137 142
USA 30 32 34 36 38 40 42 44 46 48 50 52 54 56
UK 30 32 34 36 38 40 42 44 46 48 50 52 54 56
Europe   70 75 80 85 90                
France   85 90 95 100 105                
Italy   1 2 3 4 5                
Bra - Cup size
Standard Size
China A B C D E                  
USA AA A B C D DD DDD/E F FF G GG H HH J
UK AA A B C D DD E F FF G GG H HH J
Europe AA A B C D E F              
France AA A B C D E F              
Italy   B B/none C D DD E F            
Women's Underwear
Standard Size
China S M L XL XXL XXXL
International XS S M L XL XXL
USA 2 4 6 8 10 12
UK 6 8 10 12 14 16
Europe 32 34 36 38 40 42
France 34 36 38 40 42 44
Italy 38 40 42 44 46 48
Women's Shoes
Standard Size
Length (cm) 22.8 23.1 23.5 24.1 24.5 25.1 25.7 26 26.7 27.3 27.9 28.6 29.2
China 35.5 36 37 38 39 40 41.5 42 43 44.5 46 47 48
USA 5 5.5 6 7 7.5 8.5 9.5 10 10.5 12 13 14 15.5
UK 2.5 3 3.5 4.5 5 6 7 7.5 8 9.5 10.5 11.5 13
Europe 35 35.5 36 37.5 38 39 41 42 43 44 45 46.5 48.5
Men's Clothing (Coats & Jacketst,T-Shirts,Suits)
Standard Size
China (cm) 165 / 88-90 170 / 96-98 175 / 108-110 180 / 118-122 185 / 126-130
International S M L XL XXL
Men's Clothing (Shirts)
Standard Size
China (cm) 36 - 37 38 - 39 40 - 42 43 - 44 45 - 47
International S M L XL XXL
Men's Clothing (Pants)
Size (cm) 42 44 46 48 50
Waist (cm) 68 - 72 cm 71 - 76 cm 75 - 80 cm 79 - 84 cm 83 - 88 cm
Outseam (cm) 99 cm 101.5 cm 104 cm 106.5 cm 109 cm
Men's Underwear
Standard Size
China(cm) 72-76 76-81 81-87 87-93 93-98
International S M L XL XXL
USA(inch) 28-30 30-32 32-34 34-38 38-42
Men's Shoes
Standard Size
Length(cm) 24.5 25.1 25.7 26 26.7 27 27.6 28.3 28.6 28.9
China 39.5 41 42 43 44 44.5 46 47 47.5 48
USA 6 7 8 8.5 9.5 10 11 12 12.5 13
UK 5.5 6.5 7.5 8 9 9.5 10.5 11.5 12 12.5
Europe 38 39 41 42 43.5 44 45 46 46.5 47
长度Length
Imperial英制 Meric公制
1 inch[in] 英寸 ---- 2.54 cm 厘米
1 foot[ft] 英尺 12 in 英寸 0.03048 m 米
1 yard[yd] 码 3 ft 英尺 0.9144 m 米
1 mile[mi] 英里 1760 yd 码 1.6093 km 千米
1 int nautical mile[inm] 海里 2025.4 yd 码 1.853 km 千米
面积Area
Imperial英制 Meric公制
1 sq inch[in2] 平方英寸 ---- 6.4516 cm2 平方厘米
1 sq foot[ft2] 平方英尺 144 in2 平方英寸 0.0929 m2 平方米
1 sq yard[yd2] 平方码 9 ft2 平方英尺 0.8361 m2 平方米
1 acre 英亩 4840 yd2 平方码 4046.9 m2 平方米
1 sql mile[mile2] 平方英里 640 acre 英亩 2.59 km2 平方千米
体积/容量Volume/Capacity
Imperial英制 Meric公制
1 fluid ounce 液量蛊司 1.048 UK fl oz 英制液量蛊司 29.574 ml 毫升
1 pint(16 fl oz 液量品脱)品脱 0.8327 UK pt 英制品脱 0.4731 l 升
1 gallon 加仑 0.8327 UK gal 英制加仑 3.7854 l 升
重量Weight
Imperial英制 Meric公制
1 ounce[oz]蛊司 437.5 grain 格令 28.35 g 克
1 pound[lb]磅 16 oz 蛊司 0.4536 kg 千克
1 stone 石 14 lb 磅 6.3503 kg 千克
1 hundredweight[cwt] 英担 112 lb 磅 50.802 kg 千克
1 long ton(UK) 长顿 20 cwt 英担 1.061 t 顿

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