Solo 4900513 Sprayer Extension Tube, 20 Inches by Solo. $22.99. Made in the USA. Fits all Solo backpack sprayers and only hand-held sprayers models 454, 456, 457, 465, 430-1G, 430-2G, 430-3G. Highly flexible, will not crimp. Made of non-corrossive polyethylene. Easy to attach to any Solo wand. Solo 20-inch extension tube provides additional length to spray hard-to-reach places.