WPI-g-00038720-300 g/m²Virgin kraft, Recycled fibers49% confidence

Air Filters.

Name: Air Filters
SKU: WPI-g-000387

Industrial packaging paper grade. Permanent ID WPI-g-000387, verified, source-traced, free.

GSM 5

5g/m²

lighter

GSM 20 · this

20g/m²

WPI-g-000387 · standard

GSM 50

50g/m²

heavier

Grade specification

Basis weight

20-300g/m²

Fiber source

Virgin kraft, Recycled fibers

industrial packaging

Paper type

industrial packaging

Confidence

49%

source: wpi

WPI ID

WPI-g-000387

Slug

air-filters

Last updated

2026-04-18

GSM range

20-300g/m²

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