Economy 940/1250-watt for No.SP12YA Chromalox and 1575/2100-watt for No.SP21A Chromalox;
Deluxe 1130/1500-watt for No.MP15YA Chromalox, and 1575/2100-watt for No.MP21YA Chromalox.
Deluxe burners offer more turns for greater heating surface.
Carded.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.p65Warnings.ca.gov/