Lunasea Lighting Lunasea LED Adapter Converts E26 Base to G4 or MR16 Free shipping for all orders over $50.00. 30 days returns. Sign up for great deals with Fishbrain Pro. Share Loading Facebook Like button... Lunasea Lighting Lunasea LED Adapter Converts E26 Base to G4 or MR16 Free shipping for all orders over $50.00. 30 days returns. Sign up for great deals with Fishbrain Pro. Share Loading Facebook Like button...