The AlphaONE LH Filter (lower head) is available in a wide variety of sizes for every pond. If you are looking for a filter that has the lowest restriction of any filter made, this is it. You can use the most energy efficient pump on this filter and receive maximum flows with very little head pressure. This saves you at the electric meter and in the wallet. Truly an EcoFriendly filter for our modern day ponds.
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