Plant ID required: Epilobium ?

Plant ID required: Epilobium ?

Observation - Plant ID required: Epilobium ?. Description: Flower has 4 petals, very pale purple, almost white in colour. Stem has short hairs. Leaves simple, hairless, toothed. Leaves sometimes opposite, sometimes alternate. Plant height: 1.2m

Flower has 4 petals, very pale purple, almost white in colour.
Stem has short hairs. Leaves simple, hairless, toothed. Leaves sometimes opposite, sometimes alternate.
Plant height: 1.2m