Part	Working	Vacuum	Weight       Standard
I.D.	Number	Pressure	Rating	per ft	Length

3"	TPU-300	30 psi	28" Hg	0.63 lb	25 ft
4	TPU-400	21	28	0.82	25
5	TPU-500	18	25	0.91	25
6	TPU-600	16	23	1.47	25
7	TPU-700	14	18	1.60	25

8	TPU-800	12	13	2.06	25
10	TPU-1000	10	6	2.23	25
12	TPU-1200	8	5	2.97	25
14	TPU-1400	7	4	3.23	25
16	TPU-1600	4	3	3.83	25

18	TPU-1800	3	2	4.80	25