Thomas & Betts Co - Carlon SP4W20-2 4 Inch Separation 2-Way Spacer

4 inch Two way Snap-N-Stac non-metallic combo spacer with 2 inch separation. Features: Manufactured out of highly engineered thermoplastic material, Snap-N-Stac spacers are strong, durable and able to withstand the rigors of concrete construction.; They accept 2, 3, 4, 5 and 6 in. pipe and can be installed horizontally, vertically or turned upright for unique duct bank configurations.; Innovative horizontal and EXCLUSIVE vertical locking system, and can be can be used as either a base or intermediate spacer.; Available in one-way, two-way and three-way configurations. One-way and three-way available in sizes 2 in. and 4 in.; Snap-N-Stac Combo Duct Spacers are specifically designed to replace the two-piece base and intermediate spacer system, by combining the conventional base and intermediate spacer into a single unit.; Non-metallic, non-corrosive and non-conductive. - Application: Snap-N-Stac Spacers are recommended for concrete-encased applications only. - Notes: The use of duct spacers for direct burial may result in excessive point deflections unless proper design engineering is applied, such as the proper compaction of the appropriate backfill material.