G-Iron Flex G-Iron ArmoFlex G-Iron AmroFlex Designed as an EMF blocker against AC Magnetic Fields. Available per linear foot or by a 35 foot long roll (25.3 inches wide). What is a Linear Foot? Detect, protect and verify: three steps to achieving peace of mind. Magnetic... MSRP: Was: Now: $69.06 - $2,240.00 Choose Options