Stock o-ring kit featuring the o-rings for the FS04 or FS05.

This o-ring kit includes:

• 2 H-020 O-Rings
• 2 H-017 UR70 O-Rings
• 4 H-010 O-Rings
• 2 H-006 UR90 O-Rings
• 2 H-015 UR90 O-Rings
• 1 H-011 O-Ring
• 1 H-016 O-Ring
• 1 H-019 O-Ring
• 2 Regulator Seals