ROLLINGDOG 7PC 18" Paint Roller Kit - 18 Inch Paint Roller Frame,Microfiber Paint Roller Sleeves(Pack of 4),Paint Bucket with Lid (Upgraded Version) - Amazon.com
Purdy Revolution 18-in Plastic Standard Paint Roller Frame in the Paint Roller Frames department at Lowes.com
ROLLINGDOG 18 Inch Paint Roller Frame - Adjustable from 12" to 18" for Large Area, Ceiling, Floor, Wall Painting, Can be Attached to Threaded End Extension Poles - Amazon.com
Project Select 18 in. Yoke Paint Roller Frame RF210 - The Home Depot
18 Inch Paint Roller Cover, Solvent Resistant, 1-1/4 Nap (1)
Cut Painting Time in Half with the Purdy 12 to 18 Inch Adjustable Roller Holder - YouTube