In this video I explain the problems and my solutions for the Harbor Freight blast cabinet (Large and Small). Once you fix the problems they work great.

Mods so far:
12V LED light string
12V Hopper shaker
12V 5A computer power supply
Cambell Hausfeld Gun with braided hose
Gun grounded to cabinet
Dust deputy, Lowes bucket vac, and motor speed controller
Intake gate valve and filter
Sealed all seams
Custom built table

UPDATE: May 2016
I found a valve which works perfectly for the intake. Search online for a '4" blast gate valve' or get it from harbor freight for $5. I cut the back flange off and used double sided tape to attach it to the 4" intake in the back. Works great.

I am now using a leaf blower and a small cyclone canister for my dust collection, works MUCH better, see video here:
[ Ссылка ]

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