7.5 Years:  

• Models 3500, 4500, 5550 Foot Operated Hydraulic Pumps

5 years:

• Collins Comfort Zone anti-fatigue mats
• Collins all purpose and shampoo chair back reclining mechanisms
• Models 3250, 4250, 5250 Foot Operated Hydraulic Pumps

3 Years:   

• BKB Electric Base

1 year:

• All remaining components, unless otherwise noted