ONE VACUUM TUBE. DATED 1955. CBS-HYTRON BRAND MODEL JAN-CHY 5Y3WGTA. TESTED-WORKS. ORIGINAL BOX. PLEASE DO YOUR OWN RESEARCH FOR PROPER FIT/USE ++PLEASE BE AWARE SALES TAX MAYBE BE ADDED DEPENDING ON YOUR STATE'S POLICIES++ MADE IN USA. note USPS is taking longer these days to deliver packages. I OFFER NO GUARANTEE OR WARRANTY OFFERED. SELLING AS IS. REFUND OFFERED IF NOT WORKING. ++I WILL COMBINE SHIPPING WHEN RELEVANT++local pick-up available. IF DAMAGED IN SHIPPING BUYER MUST MAKE A CLAIM WITH THE SHIPPER.