Item: Ghost Bus Club NTSU Batch 3 RBA and CRTX slam cap Price: $120 shipped in the US Condition: Both brand new, unused Comments: The NTSU comes with 8 airflow pin options: 1.0mm, 1.2mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, and 4.0mm