How To Order

Instructions for ordering on our site are outlined below:

Step 1

You can use the search bar in the center of our homepage to search for the filter you need.

You can search the keyword including: CWL, FWHM, OD or Application.

Step 2

After you find the suitable product, click "add to cart" or "buy it now"

Step 3

Fill the information in checkout page and click complete order.

*notice you do not need to make payment immediately.

You will get an invoice from us for later payment.

Step 4

An order notification email will send to your inbox right after you placed the order.

We will soon send you further details about how to proceed the payment.

If you didn't find such an email please check in your spam inbox.


Email to us directly

  • Shipment

    By default, shipment is a flat rate of $35 to the worldwide.

    For order value over $300, the shipment will be free.

    Usually it will take 1-5 days before we make the shipment to you.

    • (Upon received your purchase order or received payment)
  • Return and Refund

    All the items purchased from us are eligible for a 7 days no reason return.

    • Return shipping cost will be undertaken by client. (for no reason return)

    If you find the filter is defective, you will have a 2 weeks window to start a return request.

    • Returning pickup will be $35 per request.

  • Payment Options

    For payment terms we have below options:

    1. Pay before shipment: You can pay to us before the shipment is made. And you can request for raw data of the filter product you want to order.

    2. After Pay: You can pay to us after you received the item. The after pay option is only available for order under $100. And we may ask you for purchase order from your company. (or organization)

Need further assistance?