Ports flares for inside speaker box with smaller diameter and no mounting flange triple input -These fasten to the face

-These fasten to the face of the speaker box and to the end of the port tube

These are made to fit just about any amplifier

Machined from a solid block of delrin plastic

-INLCUDES STAINLESS HARDWARE FOR INSTALL

OLDER STYLE SET SCREW TYPE FUSE BLOCKS GARAGE SALE

Ports flares for inside speaker box with smaller diameter and no mounting flange triple input -These fasten to the facePorts ends for inside speaker box with smaller diameter , these are 3d printed from PETG and made heavy duty, available in 3,4,6,8 and 10" sizes, fits all schedule 40 pvc and can be bonded with pvc cement, weld on #3,#4 and #16 THESE ARE NOT FOR PLUMBING, THESE ARE FOR SPEAKER BOXES. MADE IN THE U. S. A.