Commercial Extraction Brass Jet Wand Compression Fitting 1/4 Inch X 1/4 Inch B04CF. 

Carpet extractor parts and fittings. Compression Fitting, Jet Wand, Brass, 1/4 inch X 1/4 inch. 
Designed for use with portable carpet extractors and multiple commercial extraction units. 
Dimensions: Approximately 1-1/2 Inches Long x 3/8 Inch Wide. 
Manufacturer Part Number: B04CF    
SC-14-1973-05