PSP-4DIF - 4" x 2 1/2" dimpled inside flare without mounting flange. Overall length of flare is 3" of which only 2 1/2" is usable because of the flare.
PSP-4DOFH - 4" x 2 1/2" dimpled outside flare with mounting holes. Overall length of flare is 3" of which only 2 1/2" is usable because of the flare. Has 1/2" flat mounting flange for easy installation.
PSP-4TB - 4" X 12" plastic tube
PSP4-DBKHT - 4" x 17" unit that includes 1 dimpled outside flare with mounting holes,
1 dimpled inside flare, 2 connecting rings, and 1 plastic tube. 18" overall length with only 17" usable because of the flares on both ends.
241 Illinois Route 73 N. | Pearl City, IL 61062 | 815.599.0662 | 309.279. 0359 | nonoise@psp-inc.com
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