SPECIFICATIONS
5 Stage Filtration: No
Brand Name: OSWNKW
CN: Guangdong
Certification: RoHS
Choice: yes
Function: Indirect Drink
Installation: Undermounted/Wall Mounting Type
Interface Diameter: DN20
Material: Stainless steel
Model Number: 05
Origin: Mainland China
Purifying Position: Central Purification
Type: Stainless Steel Mesh
Use: Household Pre-Filtration
Water Quality Requirements: Municipal Water/Well Water
Water Yield(Liter/Minute): 3.0
Water treatment machine Type: PRE-FILTER
OSWNKW-05 Central Whole House Prefilter
● [Whole House First Prevention] OSWNKW-05 Whole House Pre Filter, using a 40 micron aperture stainless steel filter, is designed to prevent particles such as sand, rust, limestone, and sand from entering your home
. ● [Extend the lifespan of water supply facilities] Protect your home pipes, kitchen, and bathroom equipment from the impact of particulate impurities in urban water, which can clog faucets, shower heads, water heaters, washing machines, RO water purifiers, and other water related equipment.
● 【 Manual Rotating Scraper Backwashing 】 Once the pre filter is saturated with sediment, you don't need to remove all the pipes and fixing devices when you need to clean our sediment filter. You just need to turn right with one click to open the sewage ball valve, manually rotate the scraper, and make the filter cleaner.
● [Monitoring Water Pressure] Equipped with a built-in water pressure gauge, it monitors water pressure in real time, and family members can take measures to deal with abnormal water pressure. To ensure water safety, the general household water pressure range is 0.1MPA-1MPA.
【 Special Material 】 The 40 micron filter screen is made of 304L SUS stainless steel, and the main body head is made of lead-free brass, with a service life of several years or more. The heavy-duty food grade transparent shell made in Germany does not contain bisphenol A and has passed 150000 cycles of water hammer testing and a maximum pressure test of 1000 pounds per square inch.
● [Flexible Installation] - OSWNKW-05 pre filter comes with 1 ''1/2' '3/4 "external threaded MNPT. Suitable for any pipeline, customers only need to purchase the corresponding adapter (threaded adapter is not included in the packaging and needs to be purchased separately according to the specifications of copper/PEX/CVC water pipes). Moreover, it will not affect your existing water pressure level.
Model: OSWNKW-05
Pre filter filtration material: 304L stainless steel mesh
Filter maintenance: Clean the filter element every 15-30 days and replace it every 1-3 years according to the water quality.
Material: Food grade explosion-proof PC cover, lead-free copper
Applicable to water quality: municipal water, deep well water
Flow rate: 3000L/H
Filter accuracy: 40 μ M
Working pressure: 0.1-1.0MPA (1bar-10bar)
Applicable water temperature: 0-40 ° C Packaging contents:
1 * OSWNKW pre filter
1 * User manual
1 * Special wrench
2 * G3/4 "MNPT adapter or G1/2" MNPT adapter







Shipping & Delivery
Want to check your order status? Please check your email and find your tracking information and order details. If you have any questions, feel free to contact us at support@globalshopmall.com
Shipping Time
We are pleased to offer fast and reliable shipping options to our customers. All orders are processed within 1-3 business days from the day of purchase. However, processing times may vary depending on the availability of the products ordered.Usually, the delivery will take around 15-20 business days to arrive.
When your order has left our warehouse, a delivery confirmation note will be sent to the email address provided in connection with your purchase.
*Business days are Monday–Friday, excluding federal holidays within the United States.
Please note that expected delivery times may vary depending on product availability for items on sale. Local delays may also occur depending on your country of residence. If an item is out of stock, due to be delivered later than expected, or due to any unforeseen circumstances, you will be notified by email.
Customs Duties
Customs duties and fees are the responsibility of the recipient. International shipments are subject to duties and fees that vary by country and are based on the value of your order. The amount calculated depends on the destination country's tax and valuation method.
Change delivery address
Please get in touch with customer service immediately to change your address before the shipment.
If an order has already been shipped out, we will not be able to make any changes to your provided delivery information. In the event of changes/updates to your address, it would be best to contact the concerned shipping carrier.
Late delivery
In the event of a late delivery, Global Shop Mall will do all it can to get your package delivered to you as quickly as possible. However, we cannot accept responsibility or offer refunds for delays in shipments that are the result of delays that are the fault of our couriers (DHL & FedEx) or a result of customs clearance delays.
Package lost
For issues with delivery or tracking, the easiest and fastest way to get a resolution is to reach out directly to the shipping company. Sometimes carriers will prematurely mark shipments as “delivered”, or need additional information from you to complete the delivery.
If you’re unable to resolve the issue with the shipping company, please email support@globalshopmall.com and we’ll get to the bottom of it!
Failed Delivery Situation
We are not responsible for failed delivery due to customer negligence, including but not limited to incorrect delivery information provided, such as order address/contact number/recipient name. In this case, we cannot refund your order.
If you find that your order information is incorrect, please contact us at support@globalshopmall.com as soon as possible before shipment and provide your order number and correct information.
Additional Information
Due to unforeseen delays or slight delays in providing tracking details in the transportation process of some carriers, we appreciate your patience and understanding. Ensuring your order is delivered as soon as possible is our top priority.
Shipping time does not include order processing time. Please check your Order Details page for more information on your order.
During peak shopping seasons, unexpected delays may occur during shipping. Thank you for your understanding.