Graham-Field RJ4300-MBK Brake Assembly Rollator Review ChangeLemon Medical Supplies and Equipment October 15, 2018Graham Field, Health & Household, Mobility & Daily Living Aids, Mobility Aids & Equipment, Rollators & Accessories, Walkers 0 Comment Product Description BRAKE ASSEMBLY ROLLATOR RJ4300. Manufacturer Contact Information 1-678-291-3207 Additional Products GSeat CLASSIC Gel and Foam Seat Cushion | Chair, C... NOVA Vibe 8 Rollator Walker, Purple Review APC Back-UPS ES BE350C Battery – Replacement... Invacare T424RDAP/T93HCP Tracer IV Wheelchair with...