Standard Pleated Paper Filter and Wet Application Foam Filter for 3 to 4.5 Gal. RIDGID Wet Dry Shop Vacuums Treads risers Stairs so you compost more efficiently so you compost more efficiently Breather holes help speed up the composting process and 4 access doors help you retrieve composted material Convenient snap on lid prevents curious animals from sneaking inside For outdoor use only Easy assembly lets you start composting sooner Stroke adjustment dial regulates engraving depth from fine lines to deep grooves Light and compact design provides comfortable use for precision engraving performance Letter and number template helps etch words and numbers Soft grip adds extra comfort and control Replaceable carbide point lets you engrave on most surfaces Optional 9929 diamond point (not included) for heavy duty use on hard surfaces Decorate metal garage or vehicle The VF3400 1 layer standard pleated paper filter is designed to capture everyday dirt and debris such as sawdust