RAUfilter - Koi Pond Filter | Drum filter | Bio FilterFilters FactoryWelcome to RauFilter – Your Partner in Superior Water Filtration SolutionsAt RauFilter, we specialize in designing and delivering advanced water filtration systems that cater to a wide range of applications, including home ponds, koi ponds, aquariums, aquaculture farms, and aquaponics systems. Whether you’re a professional in the industry or a passionate hobbyist, our products ensure clean, safe, and healthy water environments worldwide.Why Choose RauFilter?Exceptional Durability: Made from robust polypropylene plastic and stainless-steel components, ensuring long-lasting performance and absolute safety for aquatic life.Innovative Technology: Featuring rotary drum filters (RDFs) and biofilters that provide efficient and eco-friendly water purification.Economical and Reliable: No need to replace filter meshes, minimizing operational costs.Easy to Use: Intuitive design simplifies installation, maintenance, and operation.Customizable Solutions: Tailor-made filters to meet unique customer requirements.Direct Factory Pricing: Competitive prices without compromising quality.
RAUfilter - Koi Pond Filter | Drum filter | Bio Filter (raufilter.com) has 12 customer reviews on Five Star Index, with an average rating of 5.0 out of 5.
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Garden & Pond · Miami, Florida
Excellent
Garden & Pond · Paw Paw, Michigan
Excellent
Garden & Pond · RICE, Washington
Excellent
Garden & Pond · Bowling Green, Virginia
Excellent
12 approved reviews, newest moderated first
Dmitry B.
Good filter rau,good maintenance. It works without any problems.
Response from RAUfilter - Koi Pond Filter | Drum filter | Bio FilterOct 8, 2026
Thank you so much! 🙏 I really appreciate your kind words and support. I’m very happy to hear that your RAU Filter is working well and without any problems!
Danyil M.
Excellent service and a great drum filter! I ordered a drum filter from RAU Filter and I’m really happy with it. But what impressed me the most was the customer service. After delivery, I noticed a small crack in the filter housing. I contacted RAU Filter, and they sent me a new housing and explained clearly how to replace everything. The service was excellent — very friendly, helpful, and attentive. Honestly, I’ve never experienced customer service like this anywhere else. Just the best. The drum filter itself is also great. It’s pretty simple to use, which is very important to me. I especially like the dual safety system. If something happens with one system, the second one works independently with its own float switch and timer. That gives me a lot of peace of mind. Very happy with my purchase, but I want to mention the service again — really pleasant and personal. You can tell they actually care about their customers. Highly recommend RAU Filter!
Response from RAUfilter - Koi Pond Filter | Drum filter | Bio FilterSep 27, 2026
Thank you so much for your detailed and kind review! 🙏 We’re really happy to hear that you’re satisfied with your RAU Filter and, especially, with our customer service. We always try to make sure our customers feel supported, not only before the purchase but also after delivery. We’re glad we could resolve the housing issue quickly and that you’re enjoying the dual safety system and the simple operation of the filter. Your feedback means a lot to us. Thank you for choosing RAU Filter and for your trust! We truly appreciate it. 🙏🐟
Biodobavki A.
Very happy with the Drum filter I purchased for my fish pond. The quality is excellent, and customer service was very helpul.
Response from RAUfilter - Koi Pond Filter | Drum filter | Bio FilterSep 27, 2026
Thank you very much for your kind review! We’re really happy to hear that you’re pleased with the quality of the drum filter and our customer service. We truly appreciate your trust and support! 🙏🐟
Saryuna S.
A top manufacturer of pond filters! I first ordered a shower filter to check the quality. After seeing how excellent the quality was and how professionally everything was made, I decided to order a Model 30 drum filter and biofilter as well. I was really impressed with the customer service and the genuine care they put into their work. A huge thank you to the RAUfilter team! I wish you continued success. Highly recommended!
Response from RAUfilter - Koi Pond Filter | Drum filter | Bio FilterSep 27, 2026
Thank you so much for your detailed review and for trusting RAUfilter! 🙏 We’re very happy to hear that you were satisfied with the quality of our shower filter and decided to upgrade your koi pond filtration system with a Model 30 drum filter and biofilter as well. We put a lot of attention into the quality, reliability, and simple operation of our pond filtration systems, and we’re especially grateful that you noticed the care we put into our work and customer service. Thank you again for choosing RAUfilter and for your kind recommendation. We wish you many years of clean water, healthy fish, and a beautiful koi pond! 🐟💧
Sony M.
Good Drum filter!
Response from RAUfilter - Koi Pond Filter | Drum filter | Bio FilterSep 27, 2026
Thank you very much for your kind review! We’re glad you’re happy with your RAUfilter drum filter. We really appreciate your trust and support! 🙏🐟
charlie C.
Good filter, drum filter excellent.
Response from RAUfilter - Koi Pond Filter | Drum filter | Bio FilterSep 27, 2026
Thank you for your feedback! We’re really pleased to hear that you’re enjoying your RAUfilter drum filter. We appreciate you choosing us and hope it continues to keep your pond water clean and clear! 🐟💧
Sherwin A.
Your service is very good. I like it very much
Kete
We ordered a complete set of filters — a drum filter and a biofilter, Model 50 — for delivery to the USA. The delivery took only 19 days, which was surprisingly fast, and the filters were delivered directly to our home. The courier called us beforehand, made sure we were home, and then completed the delivery. The company’s service team helped us with the installation, provided detailed instructions, and also gave us support over the phone whenever we had questions. I can honestly say that the service was excellent. It is very rare to receive this level of customer support nowadays. Highly recommended!
Response from RAUfilter - Koi Pond Filter | Drum filter | Bio FilterSep 27, 2026
Thank you so much for your detailed review and for choosing RAUfilter! 🙏 We’re very happy to hear that your Model 50 drum filter and biofilter arrived safely in the USA and that the delivery and installation support went smoothly. We always do our best to provide not only reliable pond filtration systems, but also personal support throughout the installation and setup process. Helping our customers get their koi pond filtration system running correctly is just as important to us as building a quality filter. Thank you again for your trust and recommendation. We truly appreciate it! 🐟💧