Here is one sleeve of five (5) RCA new old stock, with boxes 6LF8 tubes for your equipment needs.  All have top halo foil getter.

We acquired over 100,000 tubes and are going through them now for quality products.  Please come back to my store over coming days/weeks for 
more good bulk value listings; or contact me for tubes you need

Tubes ships via United States Postal Service (USPS) Ground Advantage with tracking for domestic U.S. sale; Priority Mail is an option if you wish your package 
delivered quicker.  International orders ship via International Shipping service.  Package weighs ten ounces (10 oz.).

Check our store for other types of tubes your equipment needs.

Combined shipping always welcome.

TUBES ARE GUARANTEED GOOD AND IN WORKING ORDER AT SHIPMENT. TRANSIT VIA POST CAN DAMAGE TUBES.  THIS IS NO FAULT OF OURS BUT THE THIRD PARTY 

ENTITY THAT IS DELIVERING ITEM(S) TO YOU, I.E, USPS, UPS, FEDEX, YOUR NATIONAL CARRIER IF INTERNATIONAL, ETC. PLEASE INSURE THEM! WE CANNOT GUARANTEE 

FAILURES ON YOUR EQUIPMENT AFTER POWER UP AS THERE IS NO WAY TO ASCERTAIN HOW TUBES WILL INTERACT WITH YOUR ELECTRONICS; NOR IS THERE A WAY TO 

DETERMINE WHETHER THEY MAY HAVE FATAL FLAWS IN TUBES THEMSELVES!  THESE ARE USED VACUUM TUBES AND TIME MAY HAVE TAKEN A TOLL ON THEM OVER THE 

MANY YEARS SINCE THEY WERE MANUFACTURED. WE CAN ONLY TEST FOR THE PARAMETERS MENTIONED ABOVE IN ONE OR MORE OF THE FOLLOWING EQUIPMENT WE 

USE FOR MEASURING:  HICKOK 600A, HICKOK 800, MAXI MATCHER & MAXI MATCHER 2.