Kemtron is a professional producer on solids control equipments. The Kemtron KTL48 series screen is for their KTL-48 Tango shaker. Kemtron KTL48 series shale shaker have double layer shaker decks. So the shaker screen for KTL48 shaker also have 2 different sizes. The KTL48  primary deck shaker screen is also pre-tensioned steel frame screen. Please find below pictures for reference