Product Name: Daikin Hrv Heat Core Plate Heat Exchanger Aluminium Cross Flow (HBS-ZF300/300~ HBS-ZF1200/1200) Model NO.: HBS-ZF300/300~ HBS-ZF1200/1200 Material: Aluminum Style: Plate Type Principle: Recuperative Heat Exchanger Application: Heat Recovery Core Certification: ISO Heat Transfer Surface: Plate Heat Exchanger Trademark: Holtop Transport Package: Plywood Case Specification: HBS-ZF300/300~ HBS-ZF1200/1200 Origin: Beijing, China Product Description Quick DetailsPlace of Origin: Beijing, China (Mainland)Brand Name: HoltopModel Number: HBS-ZF300/300~ HBS-ZF1200/1200Made of: AluminiumAirflow stream: Cross flowHeat recovery type: SensibleMaintain: Water washApplication: AHU or heat recovery unitCore spacing: 4~12mmMax temp: 90 DegreeMax one set lenght: 500mmHeat recovery efficiency: Up to 75%Packaging & DeliveryPackaging Details: Plywood caseDelivery Detail: 3weeksSpecifications1. Made by flat aluminum foils of 0.12mm thickness2. Two separate air streams3. Heat efficienct up to 75%4. Low air leakage