This porous metal muffler includes a manually-adjustable, tapered metering valve to provide needle-point control of air flow on pressure (exhaust) applications as well as for vacuum relief on vacuum systemsAir flow is metered between fully closed and fully open using an external adjustment screwLocknut allows desired setting to be locked in to prevent accidental changesConstructed of 40 Micron sintered porous bronze and zinc-plated steel for durable and superior noise reduction and air flow controlRecommended for pressures up to 125 psi (8.6 Bar)Male – 10-32 – 1?

Male 40 Micron Porous Bronze Element with Steel Casing
Conn Size	Model Type	NPT	BSPT	Dimensions
		Item Number	Item Number	Hex	Length
10-32	C08	0156008*	–	.37	1.08
1/8	C18	0156018	0559018	.43	1.34
1/4	C28	0156028	0559028	.56	1.65
3/8	C38	0156038	0559038	.69	2.08
1/2	C48	0156048	0559048	.87	2.51
3/4	C68	0156068	0559068	1.06	2.81
1	C88	0156088	0559088	1.31	3.41