Design/Construction
2.5" (63.5 mm) gauges - brass
2.7" (68.6 mm) diaphragm - fabric reinforced neoprene
 
Dimensions 
W x H x D : 6.8" x 6.9" x 5.4"
              (172.7 mm x 175.3 mm x 137.1 mm)
 
Weight
4.9 lb (2.22 kg)