Pastry Filling - Guava EFCO Products $11.99 Default Title - $11.99 Quantity This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. EFCO guava filling is made from guava and is a multiple use filling to for cakes, mousses, tarts, and more. Use between layers of cakes, tortes, pie fillings, etc. Net Weight: 2 pounds. Shelf Life: 1 year in sealed container.