Dura-Heat® River Birch 18′ MTBetula nigra 'BNMTF' (Dura-Heat®) MT Height Width Root Ball Weight Available 18-20' 10-12' 42 1500# Dormant 2024 SKU: BNDH-18 Categories: Betula nigra 'BNMTF' (Dura-Heat®) MT, O ATTENTION LANDSCAPE PROFESSIONALS: Register with Hunter Trees for 24/7 online access to our pricing & availability and our integrated quote system! Register Related products Dura-Heat® River Birch 12′ MT Dura-Heat® River Birch 14′ MT Dura-Heat® River Birch 16′ MT Dura-Heat® River Birch 18′ MT