For use with the hilmor® Lineset Cleaner and 3/8 in. nozzle expansion pack. The HLP038 foam pigs are made from specially formulated foam that effectively cleans the appropriate size lineset of contaminants and debris. The foam pigs are manufactured to flow through normal lineset configurations and most deformations. Hilmor®, HLP038, Foam Pigs Launcher, Series: HL, 10 Piece, For Use With: 3/8 inch Linesets, Hydrophobic/Polymer, 6.13 in H x 2 in W x 6.25 in D Dimensions