Do not underestimate this little gem. Ideal for up to 500 Gallon ponds complete with a 3 option fountain head or run an extra line to a water feature (spitting frog or pouring bucket) filter, UV light, and Bio brick its all here in a compact form. Here at ASK Farms we keep 2 of these on hand for the times we hold Koi over for customer to pick up later. Available at ASK Farms My Koi Water Gardens for in-store or online purchasing