Breather Vent 1/4 NPT 9/16 dia. $1.72 Breather Vent 3/8 NPT 11/16 dia. $2.39 Breather Vent 1/2 NPT 7/8 dia. $3.07 Breather Vent 3/4 NPT 3/4 dia. $5.54 Breather Vent 1 In NPT 1 In Hex $7.79 Speed Control Muffler 1/8 NPT 1/2 Hex $5.4 Speed Control Muffler 1/4 NPT 9/16 Hex $5.93 Speed Control Muffler 3/8 NPT 11/16 Hex $7.66 Speed Control Muffler 1/2 NPT 7/8 Hex $9.92 Speed Control Muffler 3/4 NPT 1 1/16 Hex $19.16 Speed Control Muffler 1 NPT 1 5/16 Hex $27.5 Air/Oil Filter 1/8 NPT 40 Micron $8.93 Filter Element Replacment 40 Micron $2.5 Nipple Filter 1/8 NPT 40 Micron $8.04 Nipple Filter 1/8 NPT 90 Micron $7.94 Nipple Filter 1/4 NPT 40 Micron $9.72 Nipple Filter 1/4 NPT 90 Micron $9.72 Nipple Filter 3/8 NPT 40 Micron $9.9 Nipple Filter 3/8 NPT 90 Micron $9.9 Nipple Filter 1/2 NPT 40 Micron $12.94
