Greensations Sinus Plumber Nasal Spray - 20 ml bottle - Made in the USA MSRP: $12.99 Sinus Plumber Allergy Nasal Spray is made with the medicinal power of horseradish, cayenne pepper (capsaicin) and wintergreen. Sinus Plumber provides relief in 30 seconds for symptoms related to allergies, sinus infections and headaches.Sinus Plumber... Qty in Cart: 0 Quantity ( in cart): Decrease Quantity: Increase Quantity: Price: MSRP: $12.99 Subtotal: Add to Cart