The first two are the two-way radiation and the second is the two-way radiation.
olajpumpa komplett ADLY AIR TECH 2T 50 / NOBLE 2T 50 / PANTHER 2T 50 / BAOTIAN BTM-BT49QT 2T 50 / BENZHOU YY50QT-27 2T 50 / CPI 