This item cannot be shipped to the following state(s): AK,GU,HI,PR,VI
The Grape Solar 390 Watt Monocrystalline PV Solar Panel uses high efficiency solar cells (aprrox. 18%) made from quality silicon material for high module conversion efficiency and long term output stability and reliability. Virtually maintenance free. High transmittance, low iron tempered glass for durability and enhanced impact resistance.