<h1><br> <br> <span class="header"> Frame</span></h1> <strong>Senior chairs</strong> feature 25mm round tube.<br> <strong>Junior chairs</strong> feature 19mm round tube. 1.6mm wall thickness powder-coated steel. <br> <br> <h1 class="header">Seat and Backrest</h1> Seats and backs are available in polypropylene or upholstered. <br> <br> <img src="images/products/DuraPosSB-uph.jpg" width="120" height="169"><br> <br> <h1 class="header">Back Options</h1> All sizes available with Standard Back. <br> High Back available with 500 or 460 Seat Heights.<br> <br> <img src="images/products/DuraPosSB-lo-hi.jpg" width="128" height="99"><br> <br> <h1 class="header">Stackable</h1> The DuraPos Sled Base <br> chair can be stacked <br> to a maximum <br> of five (5) high. <br> <br> <h1 class="header">Stability</h1> Frame shape and triangular bracing prevents rocking back and frame fatigue. <br> <br> <h1 class="header">Seat Heights mm</h1> 500, 460, 420, 380 and 340. <br> <br> All chairs conform to ISO Standard 5970 for educational seating and CEN PrEN 1729 Draft Standard – Chairs and Tables for educational institutions. <br> <br> <br> <em>The DuraPos 4 Point chair is approved to ‘severe’ level, Australian/New Zealand standard AS/NZS 4610.2:1999 Furniture – School and Educational – Chairs – Strength, durability and stability.</em><br> <br> <img src="images/products/AFRDI-Logo.gif" width="36" height="56" align="left">
