For a short time, Valuebrew is discounting bulk food grade o-rings (including custom colors), their DuoTight compatible gear and their recently announce ss ball lock jumper by an extra 10% when you place an order of $30 or more.  Use coupon code laborday to get the deal.

Valuebrew Labor Day Sale – remember promo code laborday with a qualifying $30 order

Price, promotions and availability can change quickly. Check the product page for current price, description and availability.