Trinity Candle Factory - Wisteria - Effusion Lamp Oil - 8 oz The unique smell of the Wisteria flower. Very Floral and Very Strong! Catalytic / Effusion Oil is for your Lampe Berger, Redolere, La Tee Da, or Stone Wick Lamps. Truly a great product. This perfectly scented Catalytic / Effusion Lamp Oil will absolutely scent any room with your favorite aroma. Made IN USA 100% Satisfaction Guarantee