Threaded reducing tees GRTD provide an economical and efficient method of adding a reduced threaded branch connection. 

Available sizes: 2x1 – 8x4 inch
Working pressure: 300 PSI
UL approved / FM certified
Coating: red painted / galvanised
The following sizes are also available on request, directly from factory: 73mm / 108mm / 133mm / 159mm / 165,1mm.