FieldShield Plenum 12.7/10 mm Microduct is a durable, polyvinylidene difluoride (PVDF) crush resistant microduct suitable for protecting fiber in any indoor application. Easily mated with an airtight and waterproof coupler, FieldShield Plenum Microducts integrate with direct bury and aerial microducts creating a single and continuous pathway from outside plant to inside plant environments.

Technical Specifications

Length 1,500 feet (457.20 m) per spool (-0 / +5%)
Outside Diameter 0.500" (12.70 mm)
Inside Diameter 0.408" (10.36 mm)
Wall Thickness 0.042" (1.07 mm)
Slip Layer Minimum 0.004" (0.102 mm)
Ovality ≤ 5%
Minimum Bend-Radius 8” (203.20 mm) radius
Material Polyvinylidene Difluoride (PVDF)
Rating Plenum rated
Operating Temperature -40°F to 176°F (-40°C to 80°C)
Installation Temperature -14°F to 158°F (-26°C to 70°C)
Color White
Tone Wire N/A
Tone Wire Diameter N/A
Markings Part number, date code, footage markers every two feet
Spool Size 12” ID x 24” OD x 20” IW (304.80 mm x 609.60 mm x 508.00 mm)
Weight 125 lbs (57.00 kg)

Features & Benefits


  • Compliant to Telcordia GR-3155
  • Conforms to UL-2024. ETL listed.


  • Plenum rated material self-extinguishes flame and does not reignite
  • High tension and crush resistance allows microduct to be pushed through existing conduit and around tight corners without degrading microduct


  • Quick and easy to install
  • Small 10 mm footprint makes FieldShield ideal for all types of indoor implementations maximizing space in ladder racks, raised floors and air handling elevator shafts
  • Straight ribs with silicone lining enables fiber to be pushed or pulled with minimal resistance
  • White color for easy identification


  • Extends the capacity of existing conduit previously considered exhausted