Trinity Candle Factory Premium Scented Pumpkin Pie - Effusion Lamp Oil - 8 oz. Catalytic Lamp / Effusion Oil is for your Lampe Berger, Redolere, La Tee Da, or Stone Wick Lamps. Truly a great product. Trinity Candle Factory's catalytic lamp oil is great for any stone wick lamp assembly. This Pumpkin Pie fragrance is one our holiday best sellers. The aroma of Grandma's warm Pumpkin Pie will linger in the air for hours with this mouth watering fragrance. 100% Satisfaction Guarantee.