LNP-30D-x Probe with LN2 transfer collar for use with 729A

 Probe with LN2 transfer collar for use with 729A. Requires DWR-30 or DWR-30-OP.

LNP-30D-2 = Fits 1.5-inch diameter cryostat (e.g., CFG-PH4, CFG-PV4). 

LNP-30D-3 = Fits 1.25-inch diameter cryostat (e.g., CFG-SH, CFG-SV).