The AviProtek pattern 213 is a bird friendly solution with acid-etched visual markers on the exterior surface of the glass. This pattern meets the recognized 2×4 rule and consists of lines spaced 2 inches apart. Although conceived as a horizontal design it can also be used as a vertical pattern. This pattern has been tested by the American Bird Conservancy with a threat factor of 29.8.
The AviProtek pattern 213 is a bird friendly solution with acid-etched visual markers on the exterior surface of the glass. This pattern meets the recognized 2×4 rule and consists of lines spaced 2 inches apart. Although conceived as a horizontal design it can also be used as a vertical pattern. This pattern has been tested by the American Bird Conservancy with a threat factor of 29.8.
The AviProtek pattern 213 is a bird friendly solution with acid-etched visual markers on the exterior surface of the glass. This pattern meets the recognized 2×4 rule and consists of lines spaced 2 inches apart. Although conceived as a horizontal design it can also be used as a vertical pattern. This pattern has been tested by the American Bird Conservancy with a threat factor of 29.8.