| Item # | Dimension A | Dimension B | Dimension C | Orifice | Tube A Size | Tube B Size |
|---|---|---|---|---|---|---|
| BU-FF-4 | 3.27 in | 1.15 in | 1.93 in | 0.125 in | 1/4 in | 1/4 in |
| BU-FF-6 | 3.49 in | 1.25 in | 2.03 in | 0.25 in | 3/8 in | 3/8 in |
| BU-FF-8 | 3.71 in | 1.35 in | 2.13 in | 0.38 in | 1/2 in | 1/2 in |
| BU-FF-12 | 4.03 in | 1.50 in | 2.28 in | 0.63 in | 3/4 in | 3/4 in |