I got some very nice tubing, food grade and it fits perfectly from:
http://processhose.com/catalogsearch/result/?q=3049360&x=36&y=2
The item description was 1 In ID x 1-1/4 In OD Kuri-Tec® KLEARON™ 73 Series K010 Clear Non-Toxic Food & Beverage PVC Tubing for Beer, Wine, Water, Air (1/8 In Wall), SKU# 3049360
The price was excellent and shipping cost was reasonable. It was cheaper and nicer quality than Home Depot.