iflight KW Adjustable CPL Pro Circular Polarized Filter for DJI Phantom 3 Professional & Advanced Quadcopter(Not for Standard Version) imported AGC Glass, 98%light transmittance,Aluminum Alloy frame+ light plastic polarizing filter applied Diameter: 34mm,Only used for DJI Phantom 3 Professional & Advanced, standard version is not appliable Adjustable filter, more useful Ship to USA via EUB, estimated delivery 5-10 days