Whirlpool 4171690 Dishwasher Water Hardness Test Strip Genuine Original Equipment Manufacturer (OEM) part

These water hardness test strips (part number 4171690) are for dishwashers Genuine Original Equipment Manufacturer (OEM) parts! These water hardness test strips (part number 4171690) are for dishwashers. Water hardness test strips 4171690 measure your water hardness to help determine the amount of detergent to use. Follow the instructions on the label when using this product.