Comparison : Item # L20SC10H, 22 mm 230 V Red One-Piece Pilot Light
Item # L20SC10L, 22 mm 24 V Red One-Piece Pilot Light
Item # L20SC10M, 22 mm 130 V Red One-Piece Pilot Light
Item # L20SC20H, 22 mm 230 V Green One-Piece Pilot Light
Item # L20SC20L, 22 mm 24 V Green One-Piece Pilot Light