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NDL SIGHT GLASS, 3/4 IN. ODF

NDL

Item ID: NGN-3/4-S

Heavy Brass Body with extended copper ends for sweat
Heavy Brass Body with standard Flare ends
Tube ends are oven brazed onto brass body
Positive color contrast- Yellow=wet; Green=dry
Special litmus paper will return to original color once system is cleaned up- therefore no need to change the eye