| Model | Description |
| SFI-400CI-1 | Sight flow indicator, 1" body, 5.625" (143 mm) length, 4.250" (108 mm) flange dia., 2.000" (51 mm) viewing dia., 6.2 lb (2.8 kg). |
| SFI-400CI-1-1/2 | Sight flow indicator, 1-1/2" body, 5.875" (149 mm) length, 5.000" (127 mm) flange dia., 2.500" (64 mm) viewing dia., 8.7 lb (4.0 kg). |
| SFI-400CI-1-1/4 | Sight flow indicator, 1-1/4" body, 5.750" (146 mm) length, 4.625" (117 mm) flange dia., 2.000" (51 mm) viewing dia., 7.6 lb (3.5 kg). |
| SFI-400CI-2 | Sight flow indicator, 2" body, 6.125" (156 mm) length, 6.000" (152 mm) flange dia., 3.000" (76 mm) viewing dia., 13 lb (6.0 kg). |
| SFI-400F-1 | Sight flow indicator, 1" body, 5.000" (127 mm) length, 4.250" (108 mm) flange dia., 2.000" (51 mm) viewing dia., 7 lb (3.2 kg). |
| SFI-400F-1-1/2 | Sight flow indicator, 1-1/2" body, 5.250" (133 mm) length, 5.000" (127 mm) flange dia., 2.500" (64 mm) viewing dia., 12 lb (5.4 kg). |
| SFI-400F-1-1/4 | Sight flow indicator, 1-1/4" body, 5.125" (130 mm) length, 4.625" (117 mm) flange dia., 2.000" (51 mm) viewing dia., 8 lb (3.6 kg). |
| SFI-400F-2 | Sight flow indicator, 2" body, 5.370" (137 mm) length, 6.000" (152 mm) flange dia., 3.000" (76 mm) viewing dia., 14 lb (6.4 kg). |
| SFI-400F-3 | Sight flow indicator, 3" body, 5.750" (146 mm) length, 7.500" (191 mm) flange dia., 4.000" (102 mm) viewing dia., 23 lb (10.4 kg). |
| SFI-400F-4 | Sight flow indicator, 4" body, 5.750" (146 mm) length, 9.000" (229 mm) flange dia., 5.000" (127 mm) viewing dia., 31 lb (14.1 kg). |
| SFI-400SS-1 | Sight flow indicator, 1" body, 5.625" (143 mm) length, 4.250" (108 mm) flange dia., 2.000" (51 mm) viewing dia., 6.2 lb (2.8 kg). |
| SFI-400SS-1/2 | Sight flow indicator, 1/2" body, 4.500" (114 mm) length, 3.500" (89 mm) flange dia., 1.500" (38 mm) viewing dia., 3.8 lb (1.7 kg). |
| SFI-400SS-1-1/2 | Sight flow indicator, 1-1/2" body, 5.875" (149 mm) length, 5.000" (127 mm) flange dia., 2.500" (64 mm) viewing dia., 8.7 lb (4.0 kg). |
| SFI-400SS-1-1/4 | Sight flow indicator, 1-1/4" body, 5.750" (146 mm) length, 4.625" (117 mm) flange dia., 2.000" (51 mm) viewing dia., 7.6 lb (3.5 kg). |
| SFI-400SS-2 | Sight flow indicator, 2" body, 6.125" (156 mm) length, 6.000" (152 mm) flange dia., 3.000" (76 mm) viewing dia., 13 lb (6.0 kg). |
| SFI-400SS-3 | Sight flow indicator, 3" body, 6.250" (159 mm) length, 7.500" (191 mm) flange dia., 4.000" (102 mm) viewing dia., 17 lb (7.7 kg). |
| SFI-400SS-3/4 | Sight flow indicator, 3/4" body, 5.125" (130 mm) length, 3.875" (98 mm) flange dia., 1.750" (44 mm) viewing dia., 4.8 lb (2.2 kg). |
| SFI-400SS-4 | Sight flow indicator, 4" body, 6.250" (159 mm) length, 9.000" (229 mm) flange dia., 5.000" (127 mm) viewing dia., 25 lb (11.0 kg). |
