$19.04
Check on amazon470 Buna-N O-Ring, 90A Durometer, Round, Black, 21 ID, 21-1/2 OD, 1/4 Width (Pack of 2)
$18.99
Check on amazon470 Viton O-Ring, 75A Durometer, Black, 21 ID, 21-1/2 OD, 1/4 Width (Pack of 1)
$41.99
Check on amazon471 Viton O-Ring, 75A Durometer, Black, 22 ID, 22-1/2 OD, 1/4 Width (Pack of 100)
$4199.99
Check on amazon47126 6 X 1-5/8-Inch Coarse Thread Phillips Drive Drywall Screw, 5-Pound,Black Phosphate
$27.95
Check on amazon4715VL-05W-B60-E00, DC Fan Axial Ball Bearing 24V 18V to 27.6V 189.9CFM 59.5dB 120 X 120 X 38mm
$99.84
Check on amazon472 Viton O-Ring, 75A Durometer, Black, 23 ID, 23-1/2 OD, 1/4 Width (Pack of 1)
$47.99
Check on amazon472 Viton O-Ring, 75A Durometer, Black, 23 ID, 23-1/2 OD, 1/4 Width (Pack of 10)
$298.69
Check on amazon