T1400-CI Channel Insert for all T1400 GRP Channels Home » Products » Trench Drains » Plastic (GRP) Trench Drains » Accessories » T1400-CI Channel Insert for all T1400 GRP Channels MIFAB® T1400-CI plastic channel insert to fill the expansion gap between the T1400 channels. Specification Sheet Catalog Catalog List Pricing Current Catalog: TD-2023 Return to Products