Hach Plastic Viewing Tubes with Caps, 4/pk, 4660004By Hach $26.90 | PK Quantity discounts available QuantityPrice Product #: 700010Mfr. Part #: 4660004 This item is in stock Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Description Plastic color viewing tubes for use in a variety of Hach test kits. DetailsBackDescription Plastic color viewing tubes for use in a variety of Hach test kits. Documents Specification Sheet