how does the black piece can seperate dirty and clean water, it's till have a little space where dirty water can come through. please light me! Thank you for your video.

Thanks for the video, for me this is like tutorial how to make it... you must be a diy-er, know which details need to expose 🙏🙏🙏

If you need a good drum filter then I can help, I make drum filters of different sizes for farm ponds and aquariums. I'll be glad to help.

sir kindly tell me that what is the measurements and material used for this product