Think Crucial 2 Replacements for Shark Infinity Belts Fir NV28, NV29, NV32 & NV33, Compatible with Part # 1102FP High Quality 2 Pack Vacuum Belts Designed To Fit Shark NV28, NV29, NV32, NV33 Models Compare To Part # 1102FP For optimum performance replace this belt every 6 months Designed & Engineered By Crucial Vacuum