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Katy from Japan sent an enquiry, saying that the Koifilter stem brushordered from elsewhere was not very firm after installation. When the water flow is a little larger, the koi filter brush will carry away, so the filtering effect is greatly reduced. After receiving the customer’s complaint, the order quantity is also decreasing. Ask if the AOQUN can provide solutions to solve this problem.

Our sales engineer, Kyle, responded promptly after receiving the customer’s for 1 minute, and learned the size of the previous Koi filter stem brush. More importantly, only one ring at the edge end of the brush, and the other end no ring. Kyle suggested that the Koi filter brush size will not change, but the single ring will change to double ring at both edge end, so that the brush can be more stable in the water. Katy is very interested in our advice, asking us to provide samples, we will send the samples after 3 days.

After 5 days, Katy received the sample and tested it the first time. He is very happy to tell us that the double ring Koi filter stem brushis much more stable than the one side ring, and no longer have to worry about being washed away when the water flow is large. AOQUN received Katy’s order for 20,000 pcs double ring Koi filter brush that day later.