Check the listing for details. MF-200 HEAT EXCHANGER @ 304 Stainless Steel for SWIMMING POOL POND & SPA Bath. Condition: New. Listed at 145.99 USD. Specification Material: 304 Stainless Steel Output: 200 kBtu/hour Heat Transfer Area: 0.45m²/4.8ft² Hot Water Flow Rate: 30L/Min (8L/Min) Cold Water Flow: 250L/Min (66L/Min) Side of Hot Water Pipe: 1inch FPT Same Side Port: 1 1/2" FPT Packing Size: 54*19*19cm/21*7.5*7.5inch Product Size: 48.5*14cm/19.09*5.5inch Connection Port Diameter: 3.8cm/1.5inch, 2.54cm/1inch Weight: 5.2kg/11.5lbs Installation 1. The product needs basic assembly. Professional would be highly recommended. 2. If you have any questions, please feel free to contact us, we are willing to answer your questions. Package Included 1 x Stainless Steel Heat Exchanger 2 Sets x Fixed Brackets Notes Please allow the slight color difference caused by the shooting light and 1-3 cm error due to manual measu.