27743-003 Hydrometer API 19/31, +30/220F; 15"
$37.85
27743-004 Hydrometer API 29/41, +30/220F: 15"
27743-006 Hydrometer API 39/51, +30/220F; 15"
27743-007 Hydrometer API 49/61, +30/220F; 15"
27743-008 Hydrometer API 59/71, +30/220F; 15"
27743-010 Hydrometer API 69/81, +30/220F; 15"
35708-001 Hydrometer API 30/90, 0/150F; 15"
$38.60
35708-002 Hydrometer API 10/45, 0/150F; 15"
35708-003 Hydrometer API 45/90, 0/150F; 15"
35710-001 Hydrometer, API 10/30, 0/150F; 15"
35710-002 Hydrometer API 20/40, 0/150F; 15"
35710-003 Hydrometer API 30/50, 0/150F; 15"
35710-004 Hydrometer API 40/60, 0/150F; 15"
35710-005 Hydrometer API 50/70, 0/150F; 15"
35710-006 Hydrometer API 60/80, 0/150F; 15"
35710-007 Hydrometer API 70/90 , 0/150F; 15"
35710-008 Hydrometer API 80/100, 0/150F; 15"
35712-001 Thermo-hydrometer API 0/11, 0/150F; 15"
35712-002 Thermo-hydrometer API 10/21 , 0/150F;...