Trinity Candle Factory Premium Scented Pumpkin Pie - Reed Diffuser Oil - Refill. This elegant style Reed Diffuser Refill comes in all fragrances, premium scented for maximum fragrance throw. 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.