Glass Packaging Institute the glass finish number. For example, an 8-425 finish is approximately 8 mm neck outside diameter with a 425 finish corresponding to a threaded neck typically found on small vials. Glass Packaging Institute The Glass Packaging Institute (GPI) is the North American trade association for the glass container industry, headquartered in Arlington, Virginia. Through GPI, glass container manufacturers advocate job preservation and industry standards, and promote sound energy, environmental, and recycling policies. The GPI membership consists of 5 glass container manufacturing member companies, and 33 supplier member companies, who provide raw materials, recycled glass, equipment, decorating, and other services to
Lunette (container) use. The tabernacle may be behind the main altar, at a side altar, or within a special Eucharistic chapel. Lunette (container) A lunette, or lunula, is an liturgical item used by in the Catholic Church for the exposition of the Host. The lunette takes the form of a flat, circular container, composed of a ring of metal (usually lined with gold) holding two glass or crystal discs, which create a round, flat, glass-enclosed space for the Eucharistic Host. This is used for exposition and Benediction services. The lunette, containing the consecrated Host, is placed in the centre of a vessel