ZLINE Recirculating Kit for an Under Cabinet Range Hood. An efficient recirculating system that uses a charcoal filter to trap smoke, grease and odors at the source and recirculate air, no ducting required.

The compatible models are listed below:

• RK-30:Compatible with models 520-30, 523-30, 527-30
• RK-36:Compatible with models 520-36, 523-36, 527-36
• RK-42:Compatible with models 520-42, 523-42, 527-42
• RK-48:Compatible with models 520-48, 523-48, 527-48