Item #	Dimension A	Dimension B	Tube Size	Orifice
UT-FF-4	3.66 in	1.83 in	1/4 in	0.125 in
UT-FF-6	3.86 in	1.93 in	3/8 in	0.25 in
UT-FF-8	3.06 in	2.03 in	1/2 in	0.38 in
UT-FF-12	4.36 in	2.18 in	3/4 in	0.63 in