Application fit
Choose Push-2-Seal for straightforward check or check/fill applications, or compare Twist-Lock F1 through F4 by tube size, handle style, routing material, and duty level.
Product series
Series selection begins with the application, tube outside diameter, cap or handle style, temperature, and whether the system is used for checking, filling, or both.
Push-2-SealCustomizable fluid level indicator for light- and medium-duty engine check or check/fill applications.Twist-Lock-F1Compact locking fluid level indicator system for tube sizes up to 15 mm.Twist-Lock-F2Locking check/fill system for common 1/2-inch through 1-inch tube sizes.Twist-Lock-F3Large locking engine-oil check/fill system for 1-1/2-inch metal tubing.Twist-Lock-F4Large-format locking fill system for metal tubes up to 1-5/8 inches.