Overview Reviews Product Description 90602 Differential Pressure Gauge Kit for Viking 4 Model 90602 by CIM-TEK Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Differential Pressure Gauge Kit for Viking 4 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *