Replacement Felt Tip Pen Cartridge for Barographs

This replacement black felt tip pen cartridge fits both the Classic Barograph (410-C) and the Dampened Deluxe Quartz Barograph (410-D).

• Lasts 6-9 months
• Fits both 410-C and 410-D barographs

• Length: 2.4 in (6.1 cm)

  Width: 2.3 in (5.84 cm)

  Height: 0.2 in (0.51 cm)

  Weight: 0.1 lb (0.51 cm) 

  HTS Code: 9025.90.0000 & 9025.80.4000