How much does this cost to the nearest dollar?

Milton S-1802 Hi-Flow P-Style Combo
Milton S-1802 - Hi-Flow P-Style Combo. Milton P Style Coupler and Plug kit includes one 1803 coupler and one 1809 plug. Heavy duty steel coupler and steel plated plug Air flow 68 SCFM.. Coupler and plug combination P Style 3/8 Basic Flow Size 1/4 Female NPT coupler and 1/4 Male NPT plug. 1/4 female national pipe thread 1/4 male national pipe thread 3/8 basic flow size 68 standard cubic feet per minute Maximum inlet pressure of 300 pounds per square inch; Made in USA Material Alloy Steel, Brand Milton, Dimensions LxWxH 4 x

Price is $22.00
Price: $22.19