SB-3DI-This insulated drop-in bar combo features stainless steel pumps that can dispense thick products with particulates, which typically require chilling. This model includes three stainless steel pumps 83330 and deep plastic fountain jars 82557. The brushed finish base reduces the visibility of fingerprints and may be cooled with one Eutectic Ice Pack per jar, HOLDCOLD Jars or ice. Ice packs and HOLDCOLD jars are sold separately. The stainless steel pumps dispense a 1 1/4 oz (37 mL) serving per stroke with the option to reduce the portion size in 1/8 oz (3.7 mL) increments, using the supplied gauging collars. When you place your order, be sure to request colored knobs engraved with your contents for a clean presentation. Black knobs are standard. Standard features include: Brushed finish base reduces the visibility of fingerprints Base with flange designed to drop into countertop Insulation eliminates condensation on outside, when chilling (3) Stainless steel pumps with captured valve balls to prevent loss 1 1/4 oz (37 mL) maximum portion, now adjustable in 1/8 oz (3.7 mL) increments -- allows for Portion Optimization , (3) Deep plastic fountain jars.