Order Online the Honeywell 221942 ThermaMAX TMX3190 Resin Ribbon (formerly SDR-D) 4.25" x 1182' Black Resin Ribbon. 1" Core ID. 24 ribs/carton. Compatible with H-Class 4, H-Class 6, H-Class 8, I-Class 4, M-Class, PM43, PX4i, PX6i
Durable resin ribbon for compatible receivers; UL-recognized on select label stocks. Recommended for use with Ultra-durable Film substrates.