For use to connect end cap to male end or to connect 2 cut pieces at the 8 in intervals Not needed to connect lengths, as they simply clip together with no extra pieces Manufactured from lightweight, recycled UV stabilized Poly Propylene Polymer For use with Deep Series Deep Series black polymer convertor. Dimensions 1.34" L x 4.96" W x 4.29" H The convertor can be used to attach the end cap or end multi pipe adaptor to the male-end of the trench. Convertors are also used to connect the 90o corners to the male-end of the channel drain system. Convertors are NOT required to join lengths of channel together. When cutting at the 8” segments for that custom fit, use the convertor piece to reattach these cut pieces. US Trench drain lengths simply clip together and no convertor pieces are needed unless cut. US Trench Drain convertor pieces DO NOT work with our Compact drain system. Please refer to included instructions with the product for installation and for website details on installation video. Accessories include corner pieces, tee pieces, end caps, convertors, pipe adaptors, slim pits and catch basins.