Product Description Introducing the Outer Air Filter Replacement by POWERTEC. 5 Micron Filtration Grade Airborne particles are extracted and trapped in your filtration system and not released into the air that you breath. Not only are these filters capable of intercepting particles that are 5 microns or larger – but they’ll help eliminate those unwanted particles that can contaminate the air and your workshop surroundings. Additionally, the outer filter helps prolong the lifespan of your secondary filter. Thus allowing your dust-collection system to operate at an optimal level with maximum effectiveness. Versatile This filters is intended to serve as a cost effective solution to replacing your outer air filters for your 3 Speed Air Filtration System. Specifically designed for the POWERTEC AF4000, AF4001 these outer filters are utilized in a variety of industries and work with a select number of 3-Speed AF systems. Compatible with WEN 3410, Shop Fox w1830 and others. These Air Filtration Systems are commonly used for: Woodworking Food & Beverage Medical Biotechnology Cosmetic Chemical Processing Introducing the Inner Air Filtration Replacement Filter by POWERTEC. 1 Micron Filtration Grade The POWERTEC high quality product was specifically designed as a cost effective solution to replacing inner filters for your air filtration systems. When paired with the POWERTEC Air Filtration System (AF4000), it helps to keep your air clear, clean and free of fine dust particles. It allows your dust-collection system to operate at an optimal level with maximum effectiveness. Optimal Results Providing a high efficiency than fiberglass filters, this version is able to remove particles down to 1 micron in size. Airborne particles are extracted and trapped in your filtration system and not released into the air that you breath. “No matter what brand air filtration system you’re using, this POWERTEC version offers a premium and cost effective solution.” Compatible With: POWERTEC AF4000,AF4001 WEN 3410 Grizzly G0738 Rikon 62-400 Shop Fox w1830 & others! POWERTEC is a professional manufacturer of high quality woodworking tools and accessories, machines, and an assortment of OEM replacement parts. We are committed to exceeding expectations, while bringing the latest innovations, technology, and product development to the industry. #productDescription { color: #333333; word-wrap: break-word; font-size: small; line-height: initial; margin: 0.5em 0px 0em 25px; } #productDescription_feature_div > h2.default { font-size: medium; margin: 0 0 0.25em; } #productDescription_feature_div > h2.books { color:#333 !important; font-size:21px !important; line-height: 1.3; padding-bottom: 4px; font-weight: normal; margin: 0px; } #productDescription_feature_div > h2.softlines { color:#333 !important; font-size:21px !important; line-height: 1.3; padding-bottom: 4px; font-weight: bold; margin: 0px; } #productDescription > p, #productDescription > div, #productDescription > table { margin: 0 0 1em 0; } #productDescription p { margin: 0em 0 1em 1em; } #productDescription h3 { font-weight: normal; color: #333333; font-size: 1.23em; clear: left; margin: 0.75em 0px 0.375em -15px; } #productDescription table { border-collapse: inherit !important; margin-bottom: 0; } #productDescription table img { max-width: inherit !important; } #productDescription table td { font-size: small; vertical-align: inherit !important; } #productDescription ul li { margin: 0 0 0 20px; } #productDescription ul li ul { list-style-type: disc !important; margin-left: 20px !important; } #productDescription ul ul li { list-style-type: disc !important; margin-left: 20px !important; } #productDescription > ul ul li { list-style-type: disc !important; } #productDescription ul li ul li { margin: 0 0 0 20px; } #productDescription .aplus p { margin: 0 0 1em 0; } #productDescription small { font-size: smaller; } #productDescription.prodDescWidth { max-width: 1000px } P.when('jQuery').execute(function($){ $("#productDescription table").each(function() { var width = $(this).attr('width'); if (width) width += 'px'; else width = 'auto'; $(this).css('width', width); var padding = $(this).attr('cellpadding'); if (padding) padding += 'px'; else padding = '0px'; $(this).css('padding', padding); }); }); #productDescription h3 { margin: 0.75em 0px 0.375em -1px; }