6" Front Caster Replacement for Sentra Extra Heavy Duty Wheelchair (Each) pulse oximeter Measures pulse rates between 30

Measures pulse rates between 30 BPM - 250 BPM with an accuracy of ± 2%

Plant-based protein blend provides a PDCAAS of 1

Warranty: 2 Year

Coated with hydrophilic lubricant

6" Front Caster Replacement for Sentra Extra Heavy Duty Wheelchair (Each) pulse oximeter Measures pulse rates between 306" Hemi Caster replacement for the Drive Sentra Extra Heavy Duty Wheelchair, 20" to 24" Width. Sold by Each. The 6" Hemi Caster can be used to replace the existing 8" Casters to accommodate lowering the overall seat height to 17. 5" setting. This caster is compatible with Drive Sentra Extra Heavy Duty models: STD20AADA SF, STD20ADFA SF, STD20DDA ELR, STD20DDA SF, STD20DFA ELR, STD20DFA SF, STD22DDA ELR, STD22DDA SF, STD22DFA ELR, STD22DFA SF,