interHeat Lampholder Cast aluminum diffuser that lowers the internal temperature, thereby prolonging the life of the bulb. 3-position switch: ON / OFF / 60%. 10 per box SKU: 19100024 Category: NI-2 Covers Reviews (0) Reviews There are no reviews yet. Be the first to review “interHeat Lampholder” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.