We found this at five stores including Wayfair, Walmart, and Home Depot. This product sells from $18.69 up to $66.99. Users can save 72% by shopping at Amazon.

Prices are currently low for this product, typically ranging from $29 to $54, and the lowest price we've seen is $16.31.

This product is also marketed as the 

Westbrass D200-11 Air Gap Cap and Body Set - Non-Skirted at Wayfair

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Westbrass D200-11 1-5/8" x 2-1/4" Solid Brass Air Gap Cap Kit, Non-Skirted, Antique Copper at Walmart

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Westbrass D200-11 1-5/8" x 2-1/4" Solid Brass Air Gap Cap Kit, Non-Skirted, Antique Copper at Amazon

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1-5/8 in. Air Gap Kit with Standard Brass Cap in Antique Copper at Home Depot

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