Save $20
on any order of $599+
Save $30
on any order of $999+
Save $50
on any order of $1499+
View All Coupon Codes
This item qualifies for Free Ground...
Features:
The model 684 check valve permits flow in one 684 direction only thus eliminating the possibility of backflow. It is suitable for any noncorrosive gas or liquid flow. The simple reliable design uses O-ring seals to ensure bubble-tight sealing even with very low back pressures.
We aim to show you accurate product information. Here you will find what the manufacturers have provided us with. See our disclaimer.
* Free Ground Shipping within the continental U.S. only (excludes Alaska, Hawaii, PO Boxes and APO/FPO addresses).
Note: Please read description carefully. Do not base your order on the picture presented.