... /LMH.. LUU, LMEF/LMEK.. LUU) middle assembly flange type (LMFC LMKC), take lead end flange (LMF-E/LMK-E), KH simple type ... a card for installation, reed installation size smaller occasions) 2: flange type (at the end of the middle or with installation ... , can use screws installation of flange, flange general points round, square and trimming type three) 3: open ...