Connection: 3/4" female thread Cover glass: Tempered patterned glass with high luminousness
Thickness: 4mm,
Transmittance: 91% Frame: Aluminum alloy Bottom insulation : Rock wool Back sheet: Galvanized steel sheet Working pressure: 0.6 MPa Heat Endurance: 230 degrees Blue magnetic sputtered coating: Absorbing Coefficient: > 93% Emitance coefficient: < 5%