From The Manufacturer
Increase the Heating Capacity of the Enclosure System With the 50 Watt Internal Heating Element. Verify with an X Stream Designs Representative That the Enclosure System Supports an Additional 50 Watt Load.
X Stream Designs X|50WH Technical Specifications
$89 MSRP
Eligible For Custom Pricing When Added To An X Stream Designs Custom Enclosure Build