

| Air outlet connection | Item | Specification | Material | Remarks |
| Pipe nut Ⅶ | NPT1/4-ø6.35-inner boreø5 | Brass 316L | With cutting sleeve | |
| Pipe nut Ⅷ | NPT1/4-M8-inner bore ø3.3 | Brass 316L | With cutting sleeve | |
| Pipe nut Ⅸ | NPT1/4-M11X1.25-inner bore ø6 | Brass 316L | ||
| Pipe nut Ⅹ | NPT1/4- NPT1/4-inner bore ø6 | Brass 316L | ||
| Pipe nut Ⅺ | NPT1/4-ZG1/8-inner bore ø3 | Brass 316L | ||
| Pipe nut Ⅻ | NPT1/4-R1/8-inner bore ø3.1 | Brass 316L | ||
| Pipe nut ⅩⅢ | NPT1/4- M12X1.5-inner bore ø6.1 | Brass 316L | ||
| Pipe nut ⅪⅤ | NPT1/4-M20X1.5-inner bore ø6 | Brass 316L | ||
| Pipe nut ⅩⅤ | NPT1/4- hose-inner boreø2.5 | Brass 316L | ||
| Pipe nut ⅩⅥ | NPT1/4-ø6-inner bore ø3 | Brass 316L | ||
| Pipe nut ⅩⅦ | NPT1/4-R3/8-inner bore ø3 | Brass 316L | With cutting sleeve | |
| Pipe nut ⅩⅧ | NPT1/4-G1/2-inner bore ø3.1 | Brass 316L | ||
| Pipe nut ⅪⅩ | NPT1/4-M10X1-inner bore ø3.4 | Brass 316L | With cutting sleeve | |
| Cutting sleeve connection | Cutting sleeve connection 1 | Caliber 1/4" | Brass 316L | With cutting sleeve |
| Cutting sleeve connection 2 | Caliber 1/8" | Brass 316L |


| Category | Item | Specification | Material | Remarks |
| Air inlet nuts | Big nut | G5/8-RH | Brass 316L | |
| G5/8-LH | ||||
| Small nut | W21.8-14RH | Brass 316L | ||
| W21.8-14LH | ||||
| Big nut 2nd | M20X1.5RH | Brass 316L | ||
| Air inlet pipe | Inlet connection | NPTI/4 Length:85mm | Brass 316L | Filter attached |

| Air outlet connection | Item | Specification | Material | Remarks |
| Pipe nut | NPT1/4-M10X1 | Brass 316L | ||
| Pipe nutⅠ | NPT1/4-M8X1-inner bore ø3.4 | Brass 316L | With cutting sleeve | |
| Pipe nutⅡ | NPT1/4-M8X1-inner bore ø3 | Brass 316L | With cutting sleeve | |
| Pipe nut Ⅲ | NPT1/4-M8X1-inner bore ø3 | Brass 316L | ||
| Pipe nut Ⅳa Ⅳb Ⅳc Ⅳd Ⅳe |
NPT1/4-ø10.5-18thread/in-55 thread angle-inner boreø6 | Brass 316L | With cutting sleeve | |
| NPT1/4-M8X1-inner bore ø6.4 | Brass 316L | With cutting sleeve | ||
| Pipe nut Ⅴa | NPT1/4-M11X1.25-inner bore ø6.4 | Brass 316L | With cutting sleeve | |
| Pipe nut Ⅴa2 | NPT1/4-M8-inner bore ø3.1 | Brass 316L | With cutting sleeve | |
| Pipe nut Ⅵ | NPT1/4-inner bore ø6.3 | Brass 316L |