Overview Reviews Product Description These couplings are used with 116 recorder hose.Recorder hose assemblies are used to record data during well fracturing operations.All fittings are factory installed and must be tested to 1-1/2 times working pressure before use in the field. Pulsar Hydraulic Hose & Fittings 10th Edition Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × Greenline 1/4 x 1/4" Pulsar 8700 Series Recorder Hose - Male NPT 8716-04-04 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *