Cordierite Mullite Honeycomb Ceramic Block 142*152mm 100*100*100mm for HVAC Heat Recovery Device. High Efficiency RTO/RCO: Destroys HAPs, VOCs, and odorous emissions effectively for chemical and automotive industries. Customizable Specifications: Wall thickness, certification, and material can be customized based on actual operating conditions. Wide Material Options: Available in Cordierite, Mullite, and Corundum-mullite with varying chemical compositions. Fast Lead Time: Average lead time within 15 workdays for both peak and off-season orders. Flexible Payment Terms: Supports LC, T/T, PayPal, and Western Union for convenient international transactions.